login
A004941
a(n) = round(n*phi^6), where phi is the golden ratio, A001622.
5
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
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
KEYWORD
nonn
STATUS
approved