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.

A208761 Triangle of coefficients of polynomials u(n,x) jointly generated with A208762; see the Formula section.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 6
6 4
7 1
8 12
9 18
10 8
11 1
12 20
13 52
14 50
15 16
16 1
17 30
18 120
19 186
20 126
21 32
22 1
23 42
24 240
25 534
26 576
27 306
28 64
29 1
30 56
31 434
32 1302
33 1986
34 1654
35 718
36 128
37 1
38 72
39 728
40 2828
41 5712
42 6632
43 4484
44 1650
45 256
46 1
47 90
48 1152
49 5628
50 14436
51 21912
52 20508
53 11682
54 3726
55 512

List of values

[1, 1, 2, 1, 6, 4, 1, 12, 18, 8, 1, 20, 52, 50, 16, 1, 30, 120, 186, 126, 32, 1, 42, 240, 534, 576, 306, 64, 1, 56, 434, 1302, 1986, 1654, 718, 128, 1, 72, 728, 2828, 5712, 6632, 4484, 1650, 256, 1, 90, 1152, 5628, 14436, 21912, 20508, 11682, 3726, 512]