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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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

Table of values

n a(n)
10 0
11 2
12 17
13 72
14 236
15 629
16 1595
17 3997
18 9471
19 20149
20 38930
21 70447
22 123090
23 210770
24 355651
25 590703
26 964039
27 1543512
28 2423915
29 3732549
30 5636518
31 8348518
32 12139004
33 17351874
34 24431558
35 33952483
36 46660067
37 63511160
38 85724877
39 114828861
40 152714868
41 201683593
42 264500182

List of values

[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]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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