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.

A085787 Generalized heptagonal numbers: m*(5*m - 3)/2, m = 0, +-1, +-2 +-3, ...

Table of values

n a(n)
0 0
1 1
2 4
3 7
4 13
5 18
6 27
7 34
8 46
9 55
10 70
11 81
12 99
13 112
14 133
15 148
16 172
17 189
18 216
19 235
20 265
21 286
22 319
23 342
24 378
25 403
26 442
27 469
28 511
29 540
30 585
31 616
32 664
33 697
34 748
35 783
36 837
37 874
38 931
39 970
40 1030
41 1071
42 1134
43 1177
44 1243
45 1288
46 1357
47 1404
48 1476
49 1525
50 1600
51 1651
52 1729

List of values

[0, 1, 4, 7, 13, 18, 27, 34, 46, 55, 70, 81, 99, 112, 133, 148, 172, 189, 216, 235, 265, 286, 319, 342, 378, 403, 442, 469, 511, 540, 585, 616, 664, 697, 748, 783, 837, 874, 931, 970, 1030, 1071, 1134, 1177, 1243, 1288, 1357, 1404, 1476, 1525, 1600, 1651, 1729]

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

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