A054298 Positions of 2's in the decimal expansion of sqrt(2).

5, 10, 27, 29, 70, 76, 93, 100, 110, 115, 116, 120, 123, 137, 139, 144, 161, 162, 163, 168, 175, 190, 193, 218, 229, 234, 256, 258, 260, 273, 283, 288, 293, 305, 321, 327, 332, 337, 350, 360, 368, 369, 429, 440

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Mathematica

With[{sqrt2=RealDigits[Sqrt[2], 10, 500][[1]]}, Flatten[Position[sqrt2, 2]]] (* Harvey P. Dale, Mar 07 2014 *)

Crossrefs

Sequence in context: A128665 A218466 A277825 * A022094 A134129 A240515

Adjacent sequences: A054295 A054296 A054297 * A054299 A054300 A054301

Keyword

nonn,base

Author

Simon Plouffe, Feb 20 2000

Status

approved