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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.

A117560 a(n) = n*(n^2 - 1)/2 - 1.

Table of values

n a(n)
2 2
3 11
4 29
5 59
6 104
7 167
8 251
9 359
10 494
11 659
12 857
13 1091
14 1364
15 1679
16 2039
17 2447
18 2906
19 3419
20 3989
21 4619
22 5312
23 6071
24 6899
25 7799
26 8774
27 9827
28 10961
29 12179
30 13484
31 14879
32 16367
33 17951
34 19634
35 21419
36 23309
37 25307
38 27416
39 29639
40 31979
41 34439
42 37022
43 39731
44 42569

List of values

[2, 11, 29, 59, 104, 167, 251, 359, 494, 659, 857, 1091, 1364, 1679, 2039, 2447, 2906, 3419, 3989, 4619, 5312, 6071, 6899, 7799, 8774, 9827, 10961, 12179, 13484, 14879, 16367, 17951, 19634, 21419, 23309, 25307, 27416, 29639, 31979, 34439, 37022, 39731, 42569]

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

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