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.

A172172 Sums of NW-SE diagonals of triangle A172171.

Table of values

n a(n)
0 0
1 1
2 10
3 20
4 39
5 68
6 116
7 193
8 318
9 520
10 847
11 1376
12 2232
13 3617
14 5858
15 9484
16 15351
17 24844
18 40204
19 65057
20 105270
21 170336
22 275615
23 445960
24 721584
25 1167553
26 1889146
27 3056708
28 4945863
29 8002580
30 12948452
31 20951041
32 33899502
33 54850552
34 88750063
35 143600624
36 232350696

List of values

[0, 1, 10, 20, 39, 68, 116, 193, 318, 520, 847, 1376, 2232, 3617, 5858, 9484, 15351, 24844, 40204, 65057, 105270, 170336, 275615, 445960, 721584, 1167553, 1889146, 3056708, 4945863, 8002580, 12948452, 20951041, 33899502, 54850552, 88750063, 143600624, 232350696]