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

0,2

Links

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

Mathematica

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

Prog

(Magma) [Round(n*(9+4*Sqrt(5))): n in [0..80]]; // G. C. Greubel, Jan 23 2024
(SageMath) [round(golden_ratio^6*n) for n in range(81)] # G. C. Greubel, Jan 23 2024

Crossrefs

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

Sequence in context: A109428 A329611 A166403 * A004961 A008600 A131766

Adjacent sequences: A004938 A004939 A004940 * A004942 A004943 A004944

Keyword

nonn

Author

N. J. A. Sloane

Status

approved