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.

A081436 Fifth subdiagonal in array of n-gonal numbers A081422.

Table of values

n a(n)
0 1
1 7
2 24
3 58
4 115
5 201
6 322
7 484
8 693
9 955
10 1276
11 1662
12 2119
13 2653
14 3270
15 3976
16 4777
17 5679
18 6688
19 7810
20 9051
21 10417
22 11914
23 13548
24 15325
25 17251
26 19332
27 21574
28 23983
29 26565
30 29326
31 32272
32 35409
33 38743
34 42280
35 46026
36 49987
37 54169
38 58578
39 63220

List of values

[1, 7, 24, 58, 115, 201, 322, 484, 693, 955, 1276, 1662, 2119, 2653, 3270, 3976, 4777, 5679, 6688, 7810, 9051, 10417, 11914, 13548, 15325, 17251, 19332, 21574, 23983, 26565, 29326, 32272, 35409, 38743, 42280, 46026, 49987, 54169, 58578, 63220]