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.

A176701 A polynomial coefficient triangle sequence:a(n)=vector(a(n-1)).Reverse(vector(a(n-1));a(0)=1;a(1)=1;a[2]=3;p(x,n)=Sum[a(m)*m!*Binomial[x, m], {m, 0, n}].

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 -2
5 3
6 1
7 12
8 -18
9 7
10 1
11 -108
12 202
13 -113
14 20
15 1
16 1404
17 -2948
18 2092
19 -610
20 63
21 1
22 -23556
23 54044
24 -44708
25 17070
26 -3057
27 208
28 1
29 488364
30 -1200160
31 1109956
32 -505515
33 121368
34 -14723
35 711
36 1
37 -12091476
38 31417568
39 -31667516
40 16389909
41 -4770792

List of values

[1, 1, 1, 1, -2, 3, 1, 12, -18, 7, 1, -108, 202, -113, 20, 1, 1404, -2948, 2092, -610, 63, 1, -23556, 54044, -44708, 17070, -3057, 208, 1, 488364, -1200160, 1109956, -505515, 121368, -14723, 711, 1, -12091476, 31417568, -31667516, 16389909, -4770792]