A023497 a(n) = b(n) + d(n), where b(n) = (n-th Lucas number > 3) and d(n) = (n-th number that is 1 or is not a Lucas number).

5, 9, 16, 24, 37, 56, 86, 135, 212, 336, 536, 859, 1381, 2226, 3591, 5799, 9371, 15150, 24500, 39628, 64105, 103709, 167789, 271473, 439235, 710679, 1149884, 1860532, 3010384, 4870883, 7881233, 12752081, 20633278, 33385322

Offset

0,1

Links

Table of n, a(n) for n=0..33.

Formula

a(n) = A000032(n+3)+A090946(n+1), n>0. - R. J. Mathar, Feb 01 2019

Crossrefs

Sequence in context: A315110 A315111 A165594 * A105600 A233184 A356675

Adjacent sequences: A023494 A023495 A023496 * A023498 A023499 A023500

Keyword

nonn

Author

Clark Kimberling

Status

approved