A025090 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (Lucas numbers), t = (1, p(1), p(2), ...).

2, 3, 14, 22, 52, 74, 149, 199, 360, 436, 764, 922, 1567, 1815, 3022, 3540, 5834, 6724, 10999, 12157, 19804, 22204, 36080, 39262, 63703, 68697, 111344, 121702, 197120, 215424, 348789, 375335, 607552, 642398, 1039688, 1112246, 1799935, 1899149

Offset

1,1

Links

Table of n, a(n) for n=1..38.

Crossrefs

Sequence in context: A081615 A157903 A024478 * A024603 A089876 A363474

Adjacent sequences: A025087 A025088 A025089 * A025091 A025092 A025093

Keyword

nonn

Author

Clark Kimberling

Status

approved