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.

A209162 Triangle of coefficients of polynomials u(n,x) jointly generated with A209163; see the Formula section.

Table of values

n a(n)
1 1
2 2
3 1
4 4
5 6
6 3
7 7
8 18
9 17
10 5
11 11
12 42
13 63
14 42
15 11
16 16
17 85
18 183
19 195
20 103
21 21
22 22
23 156
24 452
25 678
26 558
27 240
28 43
29 29
30 266
31 994
32 1966
33 2252
34 1510
35 553
36 85
37 37
38 428
39 2002
40 5012
41 7494
42 6946
43 3929
44 1246
45 171
46 46
47 657
48 3762
49 11586
50 21702
51 26060
52 20265
53 9909

List of values

[1, 2, 1, 4, 6, 3, 7, 18, 17, 5, 11, 42, 63, 42, 11, 16, 85, 183, 195, 103, 21, 22, 156, 452, 678, 558, 240, 43, 29, 266, 994, 1966, 2252, 1510, 553, 85, 37, 428, 2002, 5012, 7494, 6946, 3929, 1246, 171, 46, 657, 3762, 11586, 21702, 26060, 20265, 9909]