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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.

A381290 Number of subsets of 6 integers between 1 and n such that their sum is 1 modulo n.

Table of values

n a(n)
7 1
8 4
9 9
10 22
11 42
12 78
13 132
14 217
15 333
16 504
17 728
18 1035
19 1428
20 1944
21 2583
22 3399
23 4389
24 5616
25 7084
26 8866
27 10962
28 13468
29 16380
30 19806
31 23751
32 28336
33 33561
34 39576
35 46376
36 54126
37 62832
38 72675
39 83655
40 95988
41 109668
42 124929
43 141778
44 160468
45 180999

List of values

[1, 4, 9, 22, 42, 78, 132, 217, 333, 504, 728, 1035, 1428, 1944, 2583, 3399, 4389, 5616, 7084, 8866, 10962, 13468, 16380, 19806, 23751, 28336, 33561, 39576, 46376, 54126, 62832, 72675, 83655, 95988, 109668, 124929, 141778, 160468, 180999]

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

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