A054283 Positions of 7's in the decimal expansion of exp(1).

2, 25, 27, 37, 38, 40, 43, 54, 61, 64, 65, 69, 79, 84, 90, 100, 103, 124, 138, 158, 169, 176, 188, 204, 211, 215, 235, 242, 264, 265, 272, 283, 286, 291, 292, 293, 305, 308, 332, 349, 353, 355, 362, 368, 373, 377

Offset

1,1

Comments

A001113 is the decimal expansion of the constant e.

Links

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

Mathematica

Flatten[Position[RealDigits[N[E, 500]][[1]], 7]]  (* Harvey P. Dale, Feb 01 2011 *)

Crossrefs

Cf. A001113, A054276, A054277, A054278, A054279, A054280, A054281, A054282, A054284, A054285.

Sequence in context: A101962 A092045 A317886 * A041723 A067443 A163497

Adjacent sequences: A054280 A054281 A054282 * A054284 A054285 A054286

Keyword

nonn,base

Author

Simon Plouffe, Feb 20 2000

Status

approved