A025071 s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A023532, t = (F(2), F(3), F(4), ...).

2, 3, 5, 8, 18, 29, 55, 89, 144, 233, 398, 644, 1076, 1741, 2872, 4647, 7519, 12166, 19829, 32084, 52146, 84374, 136897, 221504, 359011, 580892, 939903, 1520795, 2462295, 3984077, 6448956, 10434630, 16887767, 27324981, 44219513, 71548675, 115779134, 187334574, 303113708

Offset

1,1

Links

Table of n, a(n) for n=1..39.

Crossrefs

Sequence in context: A145793 A113879 A205303 * A319644 A049908 A334535

Adjacent sequences: A025068 A025069 A025070 * A025072 A025073 A025074

Keyword

nonn

Author

Clark Kimberling

Extensions

More terms from Sean A. Irvine, Aug 05 2019

Status

approved