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.

A272399 The intersection of hexagonal numbers (A000384) and centered 9-gonal numbers (A060544).

Table of values

n a(n)
1 1
2 28
3 91
4 190
5 325
6 496
7 703
8 946
9 1225
10 1540
11 1891
12 2278
13 2701
14 3160
15 3655
16 4186
17 4753
18 5356
19 5995
20 6670
21 7381
22 8128
23 8911
24 9730
25 10585
26 11476
27 12403
28 13366
29 14365
30 15400
31 16471
32 17578
33 18721
34 19900
35 21115
36 22366
37 23653
38 24976
39 26335
40 27730
41 29161
42 30628

List of values

[1, 28, 91, 190, 325, 496, 703, 946, 1225, 1540, 1891, 2278, 2701, 3160, 3655, 4186, 4753, 5356, 5995, 6670, 7381, 8128, 8911, 9730, 10585, 11476, 12403, 13366, 14365, 15400, 16471, 17578, 18721, 19900, 21115, 22366, 23653, 24976, 26335, 27730, 29161, 30628]