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.

A209170 Triangle of coefficients of polynomials u(n,x) jointly generated with A209171; see the Formula section.

Table of values

n a(n)
1 1
2 2
3 1
4 5
5 6
6 2
7 11
8 20
9 13
10 3
11 23
12 57
13 57
14 27
15 5
16 47
17 149
18 202
19 144
20 53
21 8
22 95
23 369
24 633
25 604
26 334
27 101
28 13
29 191
30 881
31 1831
32 2192
33 1618
34 733
35 188
36 21
37 383
38 2049
39 5007
40 7217
41 6665
42 4022
43 1544
44 344
45 34
46 767
47 4673
48 13135
49 22153
50 24570
51 18519
52 9461

List of values

[1, 2, 1, 5, 6, 2, 11, 20, 13, 3, 23, 57, 57, 27, 5, 47, 149, 202, 144, 53, 8, 95, 369, 633, 604, 334, 101, 13, 191, 881, 1831, 2192, 1618, 733, 188, 21, 383, 2049, 5007, 7217, 6665, 4022, 1544, 344, 34, 767, 4673, 13135, 22153, 24570, 18519, 9461]