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.

A209142 Triangle of coefficients of polynomials v(n,x) jointly generated with A209141; see the Formula section.

Table of values

n a(n)
1 1
2 2
3 2
4 4
5 7
6 3
7 8
8 20
9 17
10 5
11 16
12 52
13 65
14 37
15 8
16 32
17 128
18 210
19 176
20 75
21 13
22 64
23 304
24 616
25 679
26 428
27 146
28 21
29 128
30 704
31 1696
32 2312
33 1921
34 971
35 276
36 34
37 256
38 1600
39 4464
40 7240
41 7449
42 4970
43 2097
44 511
45 55
46 512
47 3584
48 11360
49 21344
50 26146
51 21622
52 12056

List of values

[1, 2, 2, 4, 7, 3, 8, 20, 17, 5, 16, 52, 65, 37, 8, 32, 128, 210, 176, 75, 13, 64, 304, 616, 679, 428, 146, 21, 128, 704, 1696, 2312, 1921, 971, 276, 34, 256, 1600, 4464, 7240, 7449, 4970, 2097, 511, 55, 512, 3584, 11360, 21344, 26146, 21622, 12056]