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.

A140333 Triangle T(n,k) with the coefficient [x^k] (n+1)!* C(n,x), in row n, column k, where C(.,.) are the Bernoulli twin number polynomials of A129378.

Table of values

n a(n)
0 1
1 -1
2 2
3 -2
4 0
5 6
6 -4
7 -12
8 12
9 24
10 -4
11 -60
12 -60
13 120
14 120
15 24
16 -120
17 -720
18 -240
19 1080
20 720
21 120
22 840
23 -2520
24 -8400
25 0
26 10080
27 5040
28 -960
29 6720
30 20160
31 -47040
32 -100800
33 20160
34 100800
35 40320
36 -12096
37 -60480
38 241920
39 423360

List of values

[1, -1, 2, -2, 0, 6, -4, -12, 12, 24, -4, -60, -60, 120, 120, 24, -120, -720, -240, 1080, 720, 120, 840, -2520, -8400, 0, 10080, 5040, -960, 6720, 20160, -47040, -100800, 20160, 100800, 40320, -12096, -60480, 241920, 423360]