A025100 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (1, p(1), p(2), ...), t = (composite numbers).

6, 8, 25, 28, 59, 68, 129, 148, 249, 277, 454, 491, 728, 790, 1131, 1225, 1650, 1759, 2313, 2436, 3173, 3338, 4197, 4414, 5495, 5732, 7003, 7304, 8737, 9108, 10767, 11219, 13172, 13718, 15997, 16588, 19089, 19714, 22566, 23296, 26463, 27301, 30722, 31686, 35514

Offset

1,1

Links

Table of n, a(n) for n=1..45.

Crossrefs

Sequence in context: A053189 A156231 A024860 * A155478 A219191 A107366

Adjacent sequences: A025097 A025098 A025099 * A025101 A025102 A025103

Keyword

nonn

Author

Clark Kimberling

Status

approved