A187342 Floor(((15+sqrt(5))/11)n); complement of A187341.

1, 3, 4, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 23, 25, 26, 28, 29, 31, 32, 34, 36, 37, 39, 40, 42, 43, 45, 47, 48, 50, 51, 53, 54, 56, 57, 59, 61, 62, 64, 65, 67, 68, 70, 72, 73, 75, 76, 78, 79, 81, 83, 84, 86, 87, 89, 90, 92, 94, 95, 97, 98, 100, 101, 103, 104, 106, 108, 109, 111, 112, 114, 115, 117, 119, 120, 122, 123, 125

Offset: 1

Author

Clark Kimberling, Mar 08 2011

Keywords

• nonn

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..1000

Crossrefs

A187341.

Programs

Mathematica

Table[Floor[((15+5^(1/2))/11)n], {n,1,80}]
With[{c=(15+Sqrt[5])/11},Floor[c*Range[80]]] (* Harvey P. Dale, Jul 05 2025 *)

Formula

a(n)=floor(((15+sqrt(5))/11)n).