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.

A142963 Triangle read by rows, coefficients of the polynomials P(k, x) = (1/2) Sum_{p=0..k-1} Stirling2(k, p+1)*x^p*(1-4*x)^(k-1-p)*(2*p+2)!/(p+1)!.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 10
6 4
7 1
8 30
9 72
10 8
11 1
12 74
13 516
14 464
15 16
16 1
17 166
18 2584
19 7016
20 2864
21 32
22 1
23 354
24 10740
25 64240
26 84480
27 17376
28 64
29 1
30 734
31 40008
32 450280
33 1321760
34 949056
35 104704
36 128
37 1
38 1498
39 139108
40 2681296
41 14713840
42 24198976
43 10223488
44 629248
45 256
46 1
47 3030
48 462264
49 14341992

List of values

[1, 1, 2, 1, 10, 4, 1, 30, 72, 8, 1, 74, 516, 464, 16, 1, 166, 2584, 7016, 2864, 32, 1, 354, 10740, 64240, 84480, 17376, 64, 1, 734, 40008, 450280, 1321760, 949056, 104704, 128, 1, 1498, 139108, 2681296, 14713840, 24198976, 10223488, 629248, 256, 1, 3030, 462264, 14341992]