A054290 Positions of 4's in the decimal expansion of (1+sqrt(5))/2.

12, 16, 18, 22, 28, 59, 60, 71, 80, 81, 91, 101, 103, 106, 157, 158, 234, 243, 256, 257, 261, 273, 283, 284, 286, 288, 291, 301, 304, 305, 306, 309, 312, 313, 321, 322, 324, 327, 333, 343, 347, 348, 354, 355, 362

Offset

1,1

Links

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

Mathematica

Flatten[Position[RealDigits[GoldenRatio, 10, 500][[1]], 4]] (* G. C. Greubel, Jul 31 2019 *)

Crossrefs

Cf. A001622.

Sequence in context: A192690 A064499 A080258 * A107308 A051518 A043544

Adjacent sequences: A054287 A054288 A054289 * A054291 A054292 A054293

Keyword

nonn,base

Author

Simon Plouffe, Feb 20 2000

Status

approved