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.

A185786 Third accumulation array of A107985, by antidiagonals.

Table of values

n a(n)
1 1
2 6
3 6
4 21
5 35
6 21
7 56
8 120
9 120
10 56
11 126
12 315
13 405
14 315
15 126
16 252
17 700
18 1050
19 1050
20 700
21 252
22 462
23 1386
24 2310
25 2695
26 2310
27 1386
28 462
29 792
30 2520
31 4536
32 5880
33 5880
34 4536
35 2520
36 792
37 1287
38 4290
39 8190
40 11466
41 12740
42 11466
43 8190
44 4290
45 1287
46 2002
47 6930
48 13860
49 20580
50 24696
51 24696
52 20580
53 13860
54 6930
55 2002
56 3003
57 10725
58 22275
59 34650

List of values

[1, 6, 6, 21, 35, 21, 56, 120, 120, 56, 126, 315, 405, 315, 126, 252, 700, 1050, 1050, 700, 252, 462, 1386, 2310, 2695, 2310, 1386, 462, 792, 2520, 4536, 5880, 5880, 4536, 2520, 792, 1287, 4290, 8190, 11466, 12740, 11466, 8190, 4290, 1287, 2002, 6930, 13860, 20580, 24696, 24696, 20580, 13860, 6930, 2002, 3003, 10725, 22275, 34650]