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.

A082045 Diagonal sums of number array A082043.

Table of values

n a(n)
0 1
1 2
2 6
3 20
4 59
5 150
6 336
7 680
8 1269
9 2218
10 3674
11 5820
12 8879
13 13118
14 18852
15 26448
16 36329
17 48978
18 64942
19 84836
20 109347
21 139238
22 175352
23 218616
24 270045
25 330746
26 401922
27 484876
28 581015
29 691854
30 819020
31 964256
32 1129425
33 1316514
34 1527638

List of values

[1, 2, 6, 20, 59, 150, 336, 680, 1269, 2218, 3674, 5820, 8879, 13118, 18852, 26448, 36329, 48978, 64942, 84836, 109347, 139238, 175352, 218616, 270045, 330746, 401922, 484876, 581015, 691854, 819020, 964256, 1129425, 1316514, 1527638]