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.

A152767 3 times 10-gonal (or decagonal) numbers: a(n) = 3*n*(4*n-3).

Table of values

n a(n)
0 0
1 3
2 30
3 81
4 156
5 255
6 378
7 525
8 696
9 891
10 1110
11 1353
12 1620
13 1911
14 2226
15 2565
16 2928
17 3315
18 3726
19 4161
20 4620
21 5103
22 5610
23 6141
24 6696
25 7275
26 7878
27 8505
28 9156
29 9831
30 10530
31 11253
32 12000
33 12771
34 13566
35 14385
36 15228
37 16095
38 16986
39 17901
40 18840
41 19803
42 20790
43 21801

List of values

[0, 3, 30, 81, 156, 255, 378, 525, 696, 891, 1110, 1353, 1620, 1911, 2226, 2565, 2928, 3315, 3726, 4161, 4620, 5103, 5610, 6141, 6696, 7275, 7878, 8505, 9156, 9831, 10530, 11253, 12000, 12771, 13566, 14385, 15228, 16095, 16986, 17901, 18840, 19803, 20790, 21801]

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

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