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.

A375042 Irregular triangular array T; row n shows the coefficients of the (n-1)-st polynomial in the obverse convolution s(x)**t(x), where s(x) = n^2 x and t(x) = 2x+1. See Comments.

Table of values

n a(n)
1 1
2 2
3 1
4 5
5 6
6 1
7 11
8 36
9 36
10 1
11 22
12 157
13 432
14 396
15 1
16 40
17 553
18 3258
19 8172
20 7128
21 1
22 67
23 1633
24 18189
25 96138
26 227772
27 192456
28 1
29 105
30 4179
31 80243
32 787320
33 3881016
34 8847792
35 7313328
36 1
37 156
38 9534
39 293372
40 4879713
41 44034336
42 206779608
43 458550720
44 372979728
45 1

List of values

[1, 2, 1, 5, 6, 1, 11, 36, 36, 1, 22, 157, 432, 396, 1, 40, 553, 3258, 8172, 7128, 1, 67, 1633, 18189, 96138, 227772, 192456, 1, 105, 4179, 80243, 787320, 3881016, 8847792, 7313328, 1, 156, 9534, 293372, 4879713, 44034336, 206779608, 458550720, 372979728, 1]