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.

A193867 Odd central polygonal numbers.

Table of values

n a(n)
1 1
2 7
3 11
4 29
5 37
6 67
7 79
8 121
9 137
10 191
11 211
12 277
13 301
14 379
15 407
16 497
17 529
18 631
19 667
20 781
21 821
22 947
23 991
24 1129
25 1177
26 1327
27 1379
28 1541
29 1597
30 1771
31 1831
32 2017
33 2081
34 2279
35 2347
36 2557
37 2629
38 2851
39 2927
40 3161
41 3241
42 3487
43 3571
44 3829
45 3917
46 4187
47 4279

List of values

[1, 7, 11, 29, 37, 67, 79, 121, 137, 191, 211, 277, 301, 379, 407, 497, 529, 631, 667, 781, 821, 947, 991, 1129, 1177, 1327, 1379, 1541, 1597, 1771, 1831, 2017, 2081, 2279, 2347, 2557, 2629, 2851, 2927, 3161, 3241, 3487, 3571, 3829, 3917, 4187, 4279]

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

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