A054281 Positions of 5's in the decimal expansion of exp(1).

12, 16, 19, 30, 39, 51, 53, 75, 77, 80, 83, 92, 94, 117, 128, 137, 148, 152, 154, 189, 193, 195, 203, 219, 236, 270, 277, 287, 302, 303, 326, 333, 344, 412, 413, 415, 420, 432, 442, 444, 447, 457, 474, 478, 511

Offset

1,1

Links

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

Mathematica

Flatten[Position[RealDigits[E, 10, 1000][[1]], 5]] (* Vincenzo Librandi, Oct 07 2013 *)

Crossrefs

Sequence in context: A334984 A334338 A334584 * A171955 A225071 A210577

Adjacent sequences: A054278 A054279 A054280 * A054282 A054283 A054284

Keyword

nonn,base

Author

Simon Plouffe, Feb 20 2000

Status

approved