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.

A139309 Array by antidiagonals, sum of non-k-gonal numbers between consecutive k-gonal numbers.

Table of values

n a(n)
0 0
1 0
2 2
3 0
4 5
5 9
6 0
7 9
8 26
9 24
10 0
11 14
12 51
13 75
14 50
15 0
16 20
17 84
18 153
19 164
20 90
21 0
22 27
23 125
24 258
25 342
26 305
27 147
28 0
29 35
30 174
31 390
32 584
33 645
34 510
35 224
36 0
37 44
38 231
39 549
40 890
41 1110
42 1089
43 791
44 324
45 0
46 54
47 296
48 735
49 1260
50 1700
51 1884
52 1701
53 1160
54 450
55 0
56 65
57 369
58 948
59 1694

List of values

[0, 0, 2, 0, 5, 9, 0, 9, 26, 24, 0, 14, 51, 75, 50, 0, 20, 84, 153, 164, 90, 0, 27, 125, 258, 342, 305, 147, 0, 35, 174, 390, 584, 645, 510, 224, 0, 44, 231, 549, 890, 1110, 1089, 791, 324, 0, 54, 296, 735, 1260, 1700, 1884, 1701, 1160, 450, 0, 65, 369, 948, 1694]