A054300 Positions of 4's in the decimal expansion of sqrt(2).

2, 4, 18, 28, 51, 71, 74, 91, 96, 108, 121, 124, 141, 142, 146, 158, 200, 220, 223, 232, 239, 243, 263, 265, 271, 275, 296, 312, 324, 343, 345, 385, 388, 392, 395, 399, 418, 426, 427, 437, 439, 441, 449, 467, 511

Offset

1,1

Links

G. C. Greubel, Table of n, a(n) for n = 1..10000

Mathematica

Flatten[Position[RealDigits[Sqrt[2], 10, 600][[1]], 4]] (* Harvey P. Dale, Aug 03 2012 *)

Crossrefs

Sequence in context: A350629 A357998 A220586 * A303360 A303442 A063101

Adjacent sequences: A054297 A054298 A054299 * A054301 A054302 A054303

Keyword

nonn,base

Author

Simon Plouffe, Feb 20 2000

Status

approved