A282516 -id:A282516 - cp's OEIS frontend

A320684 Number of 9-element subsets of [n] having a prime element sum.

0, 2, 12, 47, 169, 477, 1169, 2504, 5083, 10060, 19531, 36004, 62654, 103326, 164132, 253914, 386429, 580424, 862419, 1266725, 1839456, 2638409, 3737879, 5226949, 7215039, 9830238, 13228817, 17596011, 23161194, 30200288, 39055376, 50136943, 63946416, 81075682

Offset: 9

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Alois P. Heinz, Oct 19 2018

nonn

Alois P. Heinz, Table of n, a(n) for n = 9..500

Column k=9 of A282516.

A320685 Number of 10-element subsets of [n] having a prime element sum.

Original entry on oeis.org

0, 2, 17, 72, 236, 629, 1595, 3997, 9471, 20149, 38930, 70447, 123090, 210770, 355651, 590703, 964039, 1543512, 2423915, 3732549, 5636518, 8348518, 12139004, 17351874, 24431558, 33952483, 46660067, 63511160, 85724877, 114828861, 152714868, 201683593, 264500182

Offset: 10

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Alois P. Heinz, Oct 19 2018

nonn

Alois P. Heinz, Table of n, a(n) for n = 10..500

Column k=10 of A282516.

cp's OEIS Frontend

A320684 Number of 9-element subsets of [n] having a prime element sum.

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