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.

A248669 Triangular array of coefficients of polynomials q(n,k) defined in Comments.

Table of values

n a(n)
1 1
2 2
3 1
4 5
5 4
6 1
7 16
8 17
9 7
10 1
11 65
12 84
13 45
14 11
15 1
16 326
17 485
18 309
19 100
20 16
21 1
22 1957
23 3236
24 2339
25 909
26 196
27 22
28 1
29 13700
30 24609
31 19609
32 8702
33 2281
34 350
35 29
36 1
37 109601
38 210572
39 181481
40 89225
41 26950
42 5081
43 582
44 37
45 1
46 986410
47 2004749
48 1843901
49 984506
50 331775

List of values

[1, 2, 1, 5, 4, 1, 16, 17, 7, 1, 65, 84, 45, 11, 1, 326, 485, 309, 100, 16, 1, 1957, 3236, 2339, 909, 196, 22, 1, 13700, 24609, 19609, 8702, 2281, 350, 29, 1, 109601, 210572, 181481, 89225, 26950, 5081, 582, 37, 1, 986410, 2004749, 1843901, 984506, 331775]