A068431 - OEIS

A068431

Expansion of sqrt(Pi) in base 2.

1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..5000

MATHEMATICA

RealDigits[Sqrt[Pi], 2, 50][[1]] (* G. C. Greubel, Jan 12 2017 *)

PROG

(PARI) concat(binary(sqrt(Pi))) \\ Michel Marcus, Dec 14 2017

CROSSREFS

Cf. A002161.

Sequence in context: A129405 A127001 A266848 * A266978 A074201 A143466

Adjacent sequences: A068428 A068429 A068430 * A068432 A068433 A068434

KEYWORD

base,cons,easy,nonn

AUTHOR

Benoit Cloitre, Mar 09 2002

STATUS

approved