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.

A209146 Triangle of coefficients of polynomials u(n,x) jointly generated with A209147; see the Formula section.

Table of values

n a(n)
1 1
2 2
3 1
4 4
5 5
6 2
7 7
8 13
9 11
10 4
11 12
12 29
13 34
14 24
15 8
16 20
17 60
18 90
19 85
20 52
21 16
22 33
23 118
24 215
25 255
26 206
27 112
28 32
29 54
30 225
31 481
32 680
33 683
34 488
35 240
36 64
37 88
38 419
39 1028
40 1682
41 1994
42 1760
43 1136
44 512
45 128
46 143
47 767
48 2122
49 3937
50 5361
51 5553
52 4408
53 2608
54 1088
55 256

List of values

[1, 2, 1, 4, 5, 2, 7, 13, 11, 4, 12, 29, 34, 24, 8, 20, 60, 90, 85, 52, 16, 33, 118, 215, 255, 206, 112, 32, 54, 225, 481, 680, 683, 488, 240, 64, 88, 419, 1028, 1682, 1994, 1760, 1136, 512, 128, 143, 767, 2122, 3937, 5361, 5553, 4408, 2608, 1088, 256]