A004941 a(n) = round(n*phi^6), where phi is the golden ratio, A001622.

0, 18, 36, 54, 72, 90, 108, 126, 144, 161, 179, 197, 215, 233, 251, 269, 287, 305, 323, 341, 359, 377, 395, 413, 431, 449, 467, 484, 502, 520, 538, 556, 574, 592, 610, 628, 646, 664, 682, 700, 718, 736, 754, 772

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn

Links

• G. C. Greubel, Table of n, a(n) for n = 0..10000

Crossrefs

Cf. A001622, A004939, A004940, A004942, A004943.

Programs

Magma

[Round(n*(9+4*Sqrt(5))): n in [0..80]]; // G. C. Greubel, Jan 23 2024

Mathematica

Round[Range[0,50]GoldenRatio^6] (* Harvey P. Dale, Jul 21 2020 *)

SageMath

[round(golden_ratio^6*n) for n in range(81)] # G. C. Greubel, Jan 23 2024