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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).
0
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
CROSSREFS
Sequence in context: A053189 A156231 A024860 * A155478 A219191 A107366
KEYWORD
nonn
STATUS
approved