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.

A255186 27-gonal numbers: a(n) = n*(25*n-23)/2.

Table of values

n a(n)
0 0
1 1
2 27
3 78
4 154
5 255
6 381
7 532
8 708
9 909
10 1135
11 1386
12 1662
13 1963
14 2289
15 2640
16 3016
17 3417
18 3843
19 4294
20 4770
21 5271
22 5797
23 6348
24 6924
25 7525
26 8151
27 8802
28 9478
29 10179
30 10905
31 11656
32 12432
33 13233
34 14059
35 14910
36 15786
37 16687
38 17613
39 18564
40 19540

List of values

[0, 1, 27, 78, 154, 255, 381, 532, 708, 909, 1135, 1386, 1662, 1963, 2289, 2640, 3016, 3417, 3843, 4294, 4770, 5271, 5797, 6348, 6924, 7525, 8151, 8802, 9478, 10179, 10905, 11656, 12432, 13233, 14059, 14910, 15786, 16687, 17613, 18564, 19540]

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

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