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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.

A356545 Triangle read by rows. T(n, k) are the coefficients of polynomials p_n(x) based on the Eulerian numbers of first order representing the Bernoulli numbers as B_n = p_n(1) / (n + 1)!.

Table of values

n a(n)
0 1
1 1
2 0
3 2
4 -1
5 0
6 6
7 -8
8 2
9 0
10 24
11 -66
12 44
13 -6
14 0
15 120
16 -624
17 792
18 -312
19 24
20 0
21 720
22 -6840
23 14496
24 -10872
25 2736
26 -120
27 0
28 5040
29 -86400
30 285840
31 -347904
32 171504
33 -28800
34 720
35 0
36 40320
37 -1244880
38 6181920
39 -11245680
40 8996544
41 -3090960
42 355680
43 -5040
44 0

List of values

[1, 1, 0, 2, -1, 0, 6, -8, 2, 0, 24, -66, 44, -6, 0, 120, -624, 792, -312, 24, 0, 720, -6840, 14496, -10872, 2736, -120, 0, 5040, -86400, 285840, -347904, 171504, -28800, 720, 0, 40320, -1244880, 6181920, -11245680, 8996544, -3090960, 355680, -5040, 0]