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.

A002419 4-dimensional figurate numbers: a(n) = (6*n-2)*binomial(n+2,3)/4.

Table of values

n a(n)
1 1
2 10
3 40
4 110
5 245
6 476
7 840
8 1380
9 2145
10 3190
11 4576
12 6370
13 8645
14 11480
15 14960
16 19176
17 24225
18 30210
19 37240
20 45430
21 54901
22 65780
23 78200
24 92300
25 108225
26 126126
27 146160
28 168490
29 193285
30 220720
31 250976
32 284240
33 320705
34 360570
35 404040
36 451326
37 502645
38 558220

List of values

[1, 10, 40, 110, 245, 476, 840, 1380, 2145, 3190, 4576, 6370, 8645, 11480, 14960, 19176, 24225, 30210, 37240, 45430, 54901, 65780, 78200, 92300, 108225, 126126, 146160, 168490, 193285, 220720, 250976, 284240, 320705, 360570, 404040, 451326, 502645, 558220]