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.

A152997 Twice 13-gonal numbers: a(n) = n*(11*n - 9).

Table of values

n a(n)
0 0
1 2
2 26
3 72
4 140
5 230
6 342
7 476
8 632
9 810
10 1010
11 1232
12 1476
13 1742
14 2030
15 2340
16 2672
17 3026
18 3402
19 3800
20 4220
21 4662
22 5126
23 5612
24 6120
25 6650
26 7202
27 7776
28 8372
29 8990
30 9630
31 10292
32 10976
33 11682
34 12410
35 13160
36 13932
37 14726
38 15542
39 16380
40 17240
41 18122
42 19026
43 19952
44 20900
45 21870
46 22862
47 23876

List of values

[0, 2, 26, 72, 140, 230, 342, 476, 632, 810, 1010, 1232, 1476, 1742, 2030, 2340, 2672, 3026, 3402, 3800, 4220, 4662, 5126, 5612, 6120, 6650, 7202, 7776, 8372, 8990, 9630, 10292, 10976, 11682, 12410, 13160, 13932, 14726, 15542, 16380, 17240, 18122, 19026, 19952, 20900, 21870, 22862, 23876]

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

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