A004562 Expansion of sqrt(5) in base 9.

2, 2, 1, 1, 0, 7, 5, 1, 7, 3, 2, 4, 6, 2, 4, 0, 7, 4, 0, 7, 7, 6, 3, 5, 5, 8, 2, 6, 2, 3, 8, 0, 3, 4, 6, 1, 5, 0, 3, 4, 6, 0, 8, 4, 7, 1, 4, 5, 7, 7, 6, 0, 6, 2, 5, 0, 0, 7, 4, 0, 6, 7, 6, 6, 5, 7, 5, 6, 7, 6, 0, 6, 4, 5, 0, 4, 3, 8, 4, 1, 6, 8, 5, 0, 1, 5, 0, 1, 1, 6, 6, 5, 8, 6, 0, 1, 0, 0, 7

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], 9, 100][[1]] (* G. C. Greubel, Mar 26 2018 *)

Prog

(bc) obase=5 scale=200 sqrt(5)
(Magma) d:= 5; m:=9; Prune(Reverse(IntegerToSequence(Isqrt(d*m^100), m))); // G. C. Greubel, Mar 26 2018

Crossrefs

Cf. A002163.

Sequence in context: A300705 A144157 A321400 * A261817 A123550 A320638

Adjacent sequences: A004559 A004560 A004561 * A004563 A004564 A004565

Keyword

nonn,base,cons

Author

N. J. A. Sloane

Extensions

Corrected Jun 07 2003

Status

approved