A054289 Positions of 3's in the decimal expansion of (1 + sqrt(5))/2.

6, 7, 27, 29, 33, 41, 57, 95, 99, 113, 126, 127, 133, 135, 138, 142, 155, 159, 160, 161, 171, 180, 182, 188, 228, 235, 251, 253, 258, 272, 299, 314, 320, 344, 345, 402, 451, 454, 481, 486, 503, 509, 523, 525, 531

Offset

1,1

Links

G. C. Greubel, Table of n, a(n) for n = 1..1000

Mathematica

Flatten[Position[RealDigits[GoldenRatio, 10, 600][[1]], 3]] (* G. C. Greubel, Jul 31 2019 *)

Crossrefs

Cf. A001622.

Sequence in context: A135987 A259088 A200179 * A041078 A067229 A291606

Adjacent sequences: A054286 A054287 A054288 * A054290 A054291 A054292

Keyword

nonn,base

Author

Simon Plouffe, Feb 20 2000

Status

approved