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.

A210866 Triangle of coefficients of polynomials u(n,x) jointly generated with A210867; see the Formula section.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 3
6 1
7 1
8 6
9 6
10 2
11 1
12 10
13 21
14 14
15 3
16 1
17 15
18 55
19 65
20 31
21 5
22 1
23 21
24 120
25 235
26 187
27 65
28 8
29 1
30 28
31 231
32 700
33 867
34 503
35 134
36 13
37 1
38 36
39 406
40 1792
41 3332
42 2914
43 1279
44 268
45 21
46 1
47 45
48 666
49 4074
50 10955
51 13882
52 9084
53 3122
54 527
55 34
56 1
57 55
58 1035
59 8430
60 31563

List of values

[1, 1, 1, 1, 3, 1, 1, 6, 6, 2, 1, 10, 21, 14, 3, 1, 15, 55, 65, 31, 5, 1, 21, 120, 235, 187, 65, 8, 1, 28, 231, 700, 867, 503, 134, 13, 1, 36, 406, 1792, 3332, 2914, 1279, 268, 21, 1, 45, 666, 4074, 10955, 13882, 9084, 3122, 527, 34, 1, 55, 1035, 8430, 31563]