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.

A249074 Triangular array read by rows: row n gives the coefficients of the polynomial p(n,x) defined in Comments.

Table of values

n a(n)
0 1
1 4
2 1
3 6
4 4
5 1
6 32
7 14
8 4
9 1
10 60
11 72
12 24
13 4
14 1
15 384
16 228
17 120
18 36
19 4
20 1
21 840
22 1392
23 564
24 176
25 50
26 4
27 1
28 6144
29 4488
30 3312
31 1140
32 240
33 66
34 4
35 1
36 15120
37 31200
38 14640
39 6480
40 2040
41 312
42 84
43 4
44 1
45 122880
46 104880
47 97440
48 37440
49 11280
50 3360
51 392
52 104
53 4
54 1
55 332640

List of values

[1, 4, 1, 6, 4, 1, 32, 14, 4, 1, 60, 72, 24, 4, 1, 384, 228, 120, 36, 4, 1, 840, 1392, 564, 176, 50, 4, 1, 6144, 4488, 3312, 1140, 240, 66, 4, 1, 15120, 31200, 14640, 6480, 2040, 312, 84, 4, 1, 122880, 104880, 97440, 37440, 11280, 3360, 392, 104, 4, 1, 332640]