A004541 Expansion of sqrt(2) in base 4.

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

Offset

1,3

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], 4, 100][[1]] (* G. C. Greubel, Mar 31 2018 *)

Prog

(Magma) d:= 2; m:=4; Prune(Reverse(IntegerToSequence(Isqrt(d*m^100), m))); // G. C. Greubel, Mar 31 2018

Crossrefs

Sequence in context: A089789 A257921 A261119 * A178045 A321300 A037864

Adjacent sequences: A004538 A004539 A004540 * A004542 A004543 A004544

Keyword

nonn,base,cons

Author

N. J. A. Sloane

Status

approved