The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A030100

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A030100

Cubes whose digits are all odd.
(history; published version)

#15 by Susanna Cuyler at Sat Mar 14 05:53:51 EDT 2020

STATUS

proposed

approved

#14 by Giovanni Resta at Sat Mar 14 05:34:36 EDT 2020

STATUS

editing

proposed

#13 by Giovanni Resta at Fri Mar 13 16:03:41 EDT 2020

LINKS

Giovanni Resta, <a href="/A030100/b030100.txt">Table of n, a(n) for n = 1..563</a> (terms < 10^57)

KEYWORD

nonn,base,easy,nice

STATUS

approved

editing

Discussion

Sat Mar 14

05:34

Giovanni Resta: Not "easy", imho.

#12 by Michael Somos at Thu Apr 03 17:05:16 EDT 2014

STATUS

proposed

approved

#11 by Michel Marcus at Thu Apr 03 16:50:02 EDT 2014

STATUS

editing

proposed

#10 by Michel Marcus at Thu Apr 03 16:49:50 EDT 2014

OFFSET

0,1,2

FORMULA

a(n) = A030099(n)^3.

STATUS

reviewed

editing

#9 by Wesley Ivan Hurt at Thu Apr 03 15:52:45 EDT 2014

STATUS

proposed

reviewed

#8 by T. D. Noe at Thu Apr 03 15:40:29 EDT 2014

STATUS

editing

proposed

#7 by T. D. Noe at Thu Apr 03 15:40:26 EDT 2014

DATA

1, 1331, 3375, 35937, 59319, 357911, 753571, 5177717, 5359375, 5735339, 9393931, 17373979, 37595375, 37159393753, 99317171591, 175333911173, 397551775977, 1913551573375, 9735913353977, 11997979755957, 17171515157399, 335571975137771, 1331399339931331

STATUS

approved

editing

#6 by Charles R Greathouse IV at Thu Nov 21 12:46:28 EST 2013

MATHEMATICA

Select[Range[23000]^3, And@@(OddQ/@IntegerDigits[#])&] (* From _Harvey P. Dale, _, Aug 20 2011 *)

Discussion

Thu Nov 21

12:46

OEIS Server: https://oeis.org/edit/global/2062