A004561 Expansion of sqrt(5) in base 8.

2, 1, 7, 0, 6, 7, 3, 6, 3, 3, 4, 5, 7, 7, 2, 2, 4, 7, 6, 0, 2, 5, 7, 4, 7, 1, 6, 3, 0, 0, 3, 0, 0, 5, 6, 3, 5, 5, 6, 2, 0, 3, 2, 0, 2, 0, 4, 0, 4, 2, 3, 5, 5, 3, 7, 4, 7, 2, 1, 1, 6, 2, 2, 4, 3, 7, 4, 1, 5, 4, 3, 2, 4, 1, 0, 7, 2, 0, 6, 0, 3, 0, 7, 2, 2, 5, 1, 1, 6, 6, 3, 7, 6, 0, 5, 4, 2, 5, 1

Offset

1,1

Links

G. C. Greubel, Table of n, a(n) for n = 1..10000

Jason Kimberley, Index of expansions of sqrt(d) in base b

Mathematica

RealDigits[Sqrt[5], 8, 100][[1]] (* G. C. Greubel, Mar 31 2018 *)

Prog

(Magma) d:= 5; m:=8; Prune(Reverse(IntegerToSequence(Isqrt(d*m^100), m))); // G. C. Greubel, Mar 31 2018

Crossrefs

Sequence in context: A347899 A365750 A103114 * A255984 A199458 A287480

Adjacent sequences: A004558 A004559 A004560 * A004562 A004563 A004564

Keyword

nonn,base,cons

Author

N. J. A. Sloane

Extensions

Updated by Alois P. Heinz at the suggestion of Kevin Ryde, Feb 19 2012

Status

approved