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.

A228220 Number of second differences of arrays of length 5 of numbers in 0..n.

Table of values

n a(n)
1 31
2 199
3 625
4 1429
5 2731
6 4651
7 7309
8 10825
9 15319
10 20911
11 27721
12 35869
13 45475
14 56659
15 69541
16 84241
17 100879
18 119575
19 140449
20 163621
21 189211
22 217339
23 248125
24 281689
25 318151
26 357631
27 400249
28 446125
29 495379
30 548131
31 604501
32 664609
33 728575

List of values

[31, 199, 625, 1429, 2731, 4651, 7309, 10825, 15319, 20911, 27721, 35869, 45475, 56659, 69541, 84241, 100879, 119575, 140449, 163621, 189211, 217339, 248125, 281689, 318151, 357631, 400249, 446125, 495379, 548131, 604501, 664609, 728575]