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A054300
Positions of 4's in the decimal expansion of sqrt(2).
3
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
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
KEYWORD
nonn,base
AUTHOR
Simon Plouffe, Feb 20 2000
STATUS
approved