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.

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

Table of values

n a(n)
1 1
2 2
3 2
4 3
5 5
6 4
7 5
8 11
9 12
10 8
11 8
12 23
13 33
14 28
15 16
16 13
17 45
18 80
19 90
20 64
21 32
22 21
23 86
24 180
25 245
26 232
27 144
28 64
29 34
30 160
31 387
32 615
33 696
34 576
35 320
36 128
37 55
38 293
39 801
40 1454
41 1913
42 1880
43 1392
44 704
45 256
46 89
47 529
48 1614
49 3284
50 4902
51 5586
52 4896
53 3296
54 1536
55 512
56 144

List of values

[1, 2, 2, 3, 5, 4, 5, 11, 12, 8, 8, 23, 33, 28, 16, 13, 45, 80, 90, 64, 32, 21, 86, 180, 245, 232, 144, 64, 34, 160, 387, 615, 696, 576, 320, 128, 55, 293, 801, 1454, 1913, 1880, 1392, 704, 256, 89, 529, 1614, 3284, 4902, 5586, 4896, 3296, 1536, 512, 144]