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A054280
Positions of 4's in the decimal expansion of exp(1).
2
11, 15, 26, 35, 42, 55, 67, 78, 82, 98, 101, 104, 125, 135, 145, 171, 173, 208, 220, 225, 229, 232, 240, 241, 245, 256, 263, 266, 273, 276, 278, 279, 281, 294, 295, 325, 336, 337, 374, 375, 378, 381, 399, 422, 439
OFFSET
1,1
LINKS
MATHEMATICA
Flatten[Position[RealDigits[E, 10, 1000][[1]], 4]] (* Vincenzo Librandi, Oct 07 2013 *)
CROSSREFS
Sequence in context: A228205 A343416 A256498 * A214863 A094766 A009407
KEYWORD
nonn,base
AUTHOR
Simon Plouffe, Feb 20 2000
STATUS
approved