A004560 Expansion of sqrt(5) in base 7.

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

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], 7, 100][[1]] (* G. C. Greubel, Mar 31 2018 *)

Prog

(Magma) d:= 5; m:=7; Prune(Reverse(IntegerToSequence(Isqrt(d*m^100), m))); // G. C. Greubel, Mar 31 2018

Crossrefs

Sequence in context: A186421 A351752 A361189 * A345668 A076981 A355678

Adjacent sequences: A004557 A004558 A004559 * A004561 A004562 A004563

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