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.

A005719 Quadrinomial coefficients.

Table of values

n a(n)
2 2
3 12
4 40
5 101
6 216
7 413
8 728
9 1206
10 1902
11 2882
12 4224
13 6019
14 8372
15 11403
16 15248
17 20060
18 26010
19 33288
20 42104
21 52689
22 65296
23 80201
24 97704
25 118130
26 141830
27 169182
28 200592
29 236495
30 277356
31 323671
32 375968
33 434808
34 500786
35 574532
36 656712
37 748029
38 849224
39 961077

List of values

[2, 12, 40, 101, 216, 413, 728, 1206, 1902, 2882, 4224, 6019, 8372, 11403, 15248, 20060, 26010, 33288, 42104, 52689, 65296, 80201, 97704, 118130, 141830, 169182, 200592, 236495, 277356, 323671, 375968, 434808, 500786, 574532, 656712, 748029, 849224, 961077]