A004965 a(n) = ceiling(n*phi^10), where phi is the golden ratio, A001622.

0, 123, 246, 369, 492, 615, 738, 861, 984, 1107, 1230, 1353, 1476, 1599, 1722, 1845, 1968, 2091, 2214, 2337, 2460, 2583, 2706, 2829, 2952, 3075, 3198, 3321, 3444, 3567, 3690, 3813, 3936, 4059, 4182

Offset

0,2

Comments

Differs from A004945 in the index range n=62..122, then n=185..245 etc. - R. J. Mathar, Oct 28 2008

Links

Zhuorui He, Table of n, a(n) for n = 0..10000

Tanya Khovanova, Non Recursions

Formula

a(n) = ceiling(n*(123+55*sqrt(5))/2). - Zhuorui He, Oct 08 2025

Crossrefs

Cf. A004925, A004945, A001622.

Sequence in context: A306643 A303241 A004945 * A216382 A037139 A269751

Adjacent sequences: A004962 A004963 A004964 * A004966 A004967 A004968

Keyword

nonn

Author

N. J. A. Sloane

Status

approved