A023486 a(n) = b(n) + d(n), where b(n) = (n-th Fibonacci number > 2) and d(n) = (n-th non-Fibonacci number).

7, 11, 15, 22, 31, 45, 67, 103, 159, 249, 394, 628, 1006, 1617, 2606, 4204, 6789, 10971, 17737, 28684, 46396, 75054, 121423, 196449, 317843, 514262, 832075, 1346305, 2178346, 3524616, 5702926, 9227505, 14930393, 24157859, 39088212

Offset

0,1

Links

Table of n, a(n) for n=0..34.

Formula

a(n) = A001690(n+1)+A000045(n+4). - R. J. Mathar, Feb 01 2019

Crossrefs

Cf. A000045, A001690, A023483.

Sequence in context: A078176 A097494 A037136 * A284485 A089997 A129188

Adjacent sequences: A023483 A023484 A023485 * A023487 A023488 A023489

Keyword

nonn

Author

Clark Kimberling

Extensions

a(14) onward corrected by Sean A. Irvine, Jun 04 2019

Status

approved