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A004562 Expansion of sqrt(5) in base 9. 1
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 (list; constant; graph; refs; listen; history; text; internal format)
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

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Last modified April 2 02:53 EDT 2023. Contains 361723 sequences. (Running on oeis4.)