A054293 Positions of 7's in the decimal expansion of (1+sqrt(5))/2.

11, 37, 38, 45, 50, 65, 83, 85, 88, 100, 104, 111, 119, 140, 149, 152, 199, 204, 209, 218, 226, 263, 266, 280, 287, 317, 318, 325, 335, 342, 357, 358, 363, 374, 380, 386, 391, 394, 397, 399, 415, 422, 436, 440

Offset

1,1

Links

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

Mathematica

Flatten[Position[RealDigits[GoldenRatio, 10, 500][[1]], 7]] (* G. C. Greubel, Jul 31 2019 *)

Crossrefs

Cf. A001622.

Sequence in context: A306498 A195201 A233403 * A072859 A125744 A116057

Adjacent sequences: A054290 A054291 A054292 * A054294 A054295 A054296

Keyword

nonn,base

Author

Simon Plouffe, Feb 20 2000

Status

approved