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A004542

Expansion of sqrt(2) in base 5.

1, 2, 0, 1, 3, 4, 2, 0, 2, 0, 4, 1, 3, 0, 0, 0, 0, 3, 4, 2, 0, 4, 2, 2, 3, 2, 4, 1, 3, 3, 2, 3, 4, 2, 2, 3, 1, 2, 0, 3, 1, 0, 3, 0, 3, 2, 1, 0, 3, 0, 4, 1, 2, 4, 1, 0, 4, 1, 1, 4, 4, 2, 1, 3, 2, 1, 4, 2, 1, 1, 1, 0, 3, 2, 0, 2, 0, 3, 2, 1, 3, 4, 0, 0, 1, 0, 0, 2, 3, 0, 1, 1, 3, 1, 2, 1, 3, 0, 0, 0, 4, 0, 3, 3, 1, 2, 4, 4, 3, 3, 3, 2, 2, 4, 1, 0, 2, 0, 3, 2

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OFFSET

1,2

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[2], 5, 150][[1]] (* Harvey P. Dale, Dec 01 2013 *)

PROG

(Magma) d:= 2; m:=5; Prune(Reverse(IntegerToSequence(Isqrt(d*m^100), m))); // G. C. Greubel, Mar 31 2018

CROSSREFS

Sequence in context: A307047 A049600 A318602 * A207331 A134405 A091612