A004556 Expansion of sqrt(5) in base 3.

2, 0, 2, 0, 1, 0, 1, 0, 0, 2, 1, 1, 2, 0, 1, 2, 1, 1, 0, 0, 2, 1, 1, 2, 0, 0, 2, 1, 1, 0, 0, 2, 1, 1, 1, 0, 0, 2, 1, 2, 1, 2, 0, 1, 0, 1, 2, 1, 2, 2, 2, 0, 2, 2, 0, 0, 2, 1, 0, 2, 2, 0, 0, 1, 0, 1, 1, 2, 0, 0, 1, 1, 2, 0, 0, 1, 0, 1, 1, 2, 0, 0, 0, 2, 2, 1, 1, 2, 1, 0, 1, 1, 1, 1, 2, 2, 1, 2, 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], 3, 100][[1]] (* G. C. Greubel, Mar 31 2018 *)

Prog

(Magma) d:= 5; m:=3; Prune(Reverse(IntegerToSequence(Isqrt(d*m^100), m))); // G. C. Greubel, Mar 31 2018

Crossrefs

Sequence in context: A242041 A224937 A035193 * A263635 A358233 A336121

Adjacent sequences: A004553 A004554 A004555 * A004557 A004558 A004559

Keyword

nonn,base,cons

Author

N. J. A. Sloane

Status

approved