cp's OEIS Frontend

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.

A000326 Pentagonal numbers: a(n) = n*(3*n-1)/2.

Table of values

n a(n)
0 0
1 1
2 5
3 12
4 22
5 35
6 51
7 70
8 92
9 117
10 145
11 176
12 210
13 247
14 287
15 330
16 376
17 425
18 477
19 532
20 590
21 651
22 715
23 782
24 852
25 925
26 1001
27 1080
28 1162
29 1247
30 1335
31 1426
32 1520
33 1617
34 1717
35 1820
36 1926
37 2035
38 2147
39 2262
40 2380
41 2501
42 2625
43 2752
44 2882
45 3015
46 3151

List of values

[0, 1, 5, 12, 22, 35, 51, 70, 92, 117, 145, 176, 210, 247, 287, 330, 376, 425, 477, 532, 590, 651, 715, 782, 852, 925, 1001, 1080, 1162, 1247, 1335, 1426, 1520, 1617, 1717, 1820, 1926, 2035, 2147, 2262, 2380, 2501, 2625, 2752, 2882, 3015, 3151]

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

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