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A320681
Number of 6-element subsets of [n] having a prime element sum.
2
0, 1, 7, 20, 51, 117, 239, 430, 724, 1163, 1834, 2823, 4252, 6226, 8870, 12299, 16712, 22340, 29524, 38606, 49979, 63965, 80946, 101250, 125316, 153592, 186694, 225268, 270172, 322285, 382716, 452614, 533380, 626424, 733387, 855881, 995740, 1154735, 1334850
OFFSET
6,3
LINKS
CROSSREFS
Column k=6 of A282516.
Sequence in context: A007044 A047862 A264879 * A048755 A055267 A218843
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Oct 19 2018
STATUS
approved