The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A050283

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a(n) is the starting position of the first occurrence of a string of n 4's in the decimal expansion of Pi.
(history; published version)

#10 by Joerg Arndt at Sun Jan 26 01:13:24 EST 2020

STATUS

reviewed

approved

#9 by Andrew Howroyd at Sat Jan 25 19:03:29 EST 2020

STATUS

proposed

reviewed

#8 by Dmitry Petukhov at Sat Jan 25 18:18:31 EST 2020

STATUS

editing

proposed

#7 by Dmitry Petukhov at Sat Jan 25 18:17:18 EST 2020

DATA

2, 59, 2707, 54525, 808650, 828499, 17893953, 22931745, 1346808619, 66757797341, 66757797341, 1379889220413, 15170474235886

COMMENTS

a(14) > 22*10^12. - Dmitry Petukhov, Jan 25 2020

LINKS

Peter Trüb, <a href="https://pi2e.ch/blog/2017/03/10/pi-digits-download/">22.4 trillion digits of pi</a>

EXTENSIONS

a(10)-a(13) from Dmitry Petukhov, Jan 25 2020

STATUS

approved

editing

#6 by R. J. Mathar at Sat Oct 13 15:21:41 EDT 2012

STATUS

editing

approved

#5 by R. J. Mathar at Sat Oct 13 15:21:37 EDT 2012

LINKS

Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PiDigits.html">Link to a section of The World of MathematicsPi Digits.</a>

STATUS

approved

editing

#4 by Russ Cox at Sat Mar 31 12:38:51 EDT 2012

AUTHOR

Eric Weisstein (eric(AT)weisstein.com)

Eric W. Weisstein

Discussion

Sat Mar 31

12:38

OEIS Server: https://oeis.org/edit/global/877

#3 by N. J. A. Sloane at Sun Jun 29 03:00:00 EDT 2008

LINKS

E. W. Eric Weisstein, 's World of Mathematics, <a href="http://mathworld.wolfram.com/PiDigits.html">Link to a section of The World of Mathematics.</a>

KEYWORD

nonn,base,new

AUTHOR

Eric W. Weisstein (eric(AT)weisstein.com)

#2 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003

DATA

2, 59, 2707, 54525, 808650, 828499, 17893953, 22931745, 1346808619

LINKS

E. W. Weisstein, <a href="http://mathworld.wolfram.com/PiDigits.html">Link to a section of The World of Mathematics.</a>

EXAMPLE

More terms from Colin Martin (cbmartin(AT)tpg.com.au), Mar 03 2002

KEYWORD

nonn,more,newbase

AUTHOR

Eric W. Weisstein (eww@wolframeric(AT)weisstein.com)

#1 by N. J. A. Sloane at Sat Dec 11 03:00:00 EST 1999

NAME

a(n) is the starting position of the first occurrence of a string of n 4's in the decimal expansion of Pi.

DATA

2, 59, 2707, 54525, 808650, 828499, 17893953, 22931745

OFFSET

1,1

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein (eww@wolfram.com)

STATUS

approved