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.

A193866 Even pentagonal numbers divided by 2.

Table of values

n a(n)
0 0
1 6
2 11
3 35
4 46
5 88
6 105
7 165
8 188
9 266
10 295
11 391
12 426
13 540
14 581
15 713
16 760
17 910
18 963
19 1131
20 1190
21 1376
22 1441
23 1645
24 1716
25 1938
26 2015
27 2255
28 2338
29 2596
30 2685
31 2961
32 3056
33 3350
34 3451
35 3763
36 3870
37 4200
38 4313
39 4661
40 4780
41 5146
42 5271
43 5655
44 5786
45 6188

List of values

[0, 6, 11, 35, 46, 88, 105, 165, 188, 266, 295, 391, 426, 540, 581, 713, 760, 910, 963, 1131, 1190, 1376, 1441, 1645, 1716, 1938, 2015, 2255, 2338, 2596, 2685, 2961, 3056, 3350, 3451, 3763, 3870, 4200, 4313, 4661, 4780, 5146, 5271, 5655, 5786, 6188]

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

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