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.

A208749 Triangle of coefficients of polynomials u(n,x) jointly generated with A208750; see the Formula section.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 6
6 2
7 1
8 12
9 10
10 4
11 1
12 20
13 32
14 24
15 4
16 1
17 30
18 80
19 88
20 36
21 8
22 1
23 42
24 170
25 256
26 180
27 72
28 8
29 1
30 56
31 322
32 644
33 660
34 384
35 104
36 16
37 1
38 72
39 560
40 1456
41 1992
42 1568
43 704
44 192
45 16
46 1
47 90
48 912
49 3024
50 5256
51 5360
52 3392
53 1344
54 272
55 32
56 1
57 110
58 1410
59 5856
60 12552

List of values

[1, 1, 2, 1, 6, 2, 1, 12, 10, 4, 1, 20, 32, 24, 4, 1, 30, 80, 88, 36, 8, 1, 42, 170, 256, 180, 72, 8, 1, 56, 322, 644, 660, 384, 104, 16, 1, 72, 560, 1456, 1992, 1568, 704, 192, 16, 1, 90, 912, 3024, 5256, 5360, 3392, 1344, 272, 32, 1, 110, 1410, 5856, 12552]