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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.

A370349 a(n) is the number of integer triples (x,y,z) satisfying a system of linear inequalities and congruences specified in the comments.

Table of values

n a(n)
0 1
1 6
2 18
3 39
4 72
5 120
6 185
7 270
8 378
9 511
10 672
11 864
12 1089
13 1350
14 1650
15 1991
16 2376
17 2808
18 3289
19 3822
20 4410
21 5055
22 5760
23 6528
24 7361
25 8262
26 9234
27 10279
28 11400
29 12600
30 13881
31 15246
32 16698
33 18239
34 19872
35 21600
36 23425
37 25350
38 27378
39 29511
40 31752
41 34104
42 36569
43 39150
44 41850
45 44671
46 47616
47 50688
48 53889
49 57222

List of values

[1, 6, 18, 39, 72, 120, 185, 270, 378, 511, 672, 864, 1089, 1350, 1650, 1991, 2376, 2808, 3289, 3822, 4410, 5055, 5760, 6528, 7361, 8262, 9234, 10279, 11400, 12600, 13881, 15246, 16698, 18239, 19872, 21600, 23425, 25350, 27378, 29511, 31752, 34104, 36569, 39150, 41850, 44671, 47616, 50688, 53889, 57222]

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

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