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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.

A180415 a(n) = (n^3 - 3n^2 + 14n - 6)/6.

Table of values

n a(n)
1 1
2 3
3 6
4 11
5 19
6 31
7 48
8 71
9 101
10 139
11 186
12 243
13 311
14 391
15 484
16 591
17 713
18 851
19 1006
20 1179
21 1371
22 1583
23 1816
24 2071
25 2349
26 2651
27 2978
28 3331
29 3711
30 4119
31 4556
32 5023
33 5521
34 6051
35 6614
36 7211
37 7843
38 8511
39 9216
40 9959
41 10741
42 11563
43 12426
44 13331
45 14279
46 15271
47 16308

List of values

[1, 3, 6, 11, 19, 31, 48, 71, 101, 139, 186, 243, 311, 391, 484, 591, 713, 851, 1006, 1179, 1371, 1583, 1816, 2071, 2349, 2651, 2978, 3331, 3711, 4119, 4556, 5023, 5521, 6051, 6614, 7211, 7843, 8511, 9216, 9959, 10741, 11563, 12426, 13331, 14279, 15271, 16308]

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

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