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.

A222311 Leading diagonal of triangle in A222310.

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 5
6 15
7 105
8 70
9 1
10 5
11 33
12 55
13 65
14 273
15 1001
16 1430
17 17
18 17
19 969
20 4845
21 1785
22 6545
23 37145
24 81719
25 17
26 1105
27 3553
28 969969
29 672945
30 81345
31 955049953
32 66786710
33 33
34 561
35 385
36 6545
37 6105
38 657305
39 15873
40 8544965
41 1353
42 268345
43 61705
44 329681
45 650793
46 24173705985
47 3065857
48 250538768183
49 561
50 33
51 21945

List of values

[1, 2, 3, 6, 5, 15, 105, 70, 1, 5, 33, 55, 65, 273, 1001, 1430, 17, 17, 969, 4845, 1785, 6545, 37145, 81719, 17, 1105, 3553, 969969, 672945, 81345, 955049953, 66786710, 33, 561, 385, 6545, 6105, 657305, 15873, 8544965, 1353, 268345, 61705, 329681, 650793, 24173705985, 3065857, 250538768183, 561, 33, 21945]