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A320682 Number of 7-element subsets of [n] having a prime element sum. 2
0, 2, 7, 32, 85, 191, 383, 760, 1429, 2601, 4455, 7275, 11312, 17084, 25203, 36725, 52631, 74199, 102482, 138942, 184934, 242638, 314286, 403242, 513039, 648580, 814890, 1018701, 1266791, 1567831, 1930440, 2365171, 2882192, 3493959, 4212425, 5052278, 6027955 (list; graph; refs; listen; history; text; internal format)
OFFSET

7,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 7..500

CROSSREFS

Column k=7 of A282516.

Sequence in context: A102161 A271817 A015655 * A047850 A201373 A168494

Adjacent sequences:  A320679 A320680 A320681 * A320683 A320684 A320685

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Oct 19 2018

STATUS

approved

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Last modified March 21 20:35 EDT 2019. Contains 321382 sequences. (Running on oeis4.)