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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.

A321711 Triangle T(n,k) read by rows: coefficients of polynomials P_n(t) defined in Formula section.

Table of values

n a(n)
0 1
1 1
2 0
3 3
4 0
5 0
6 11
7 9
8 0
9 1
10 53
11 120
12 60
13 40
14 9
15 309
16 1410
17 1800
18 1590
19 885
20 216
21 2119
22 16560
23 39960
24 55120
25 52065
26 29016
27 7570
28 16687
29 202755
30 801780
31 1696555
32 2433165
33 2300403
34 1326850
35 357435
36 148329
37 2624496
38 15606360
39 48387024
40 99650670
41 141429456
42 135382464
43 79738800
44 22040361
45 1468457
46 36080100
47 304274880
48 1323453180
49 3760709526
50 7493549868
51 10570597800
52 10199809980
53 6103007505
54 1721632024

List of values

[1, 1, 0, 3, 0, 0, 11, 9, 0, 1, 53, 120, 60, 40, 9, 309, 1410, 1800, 1590, 885, 216, 2119, 16560, 39960, 55120, 52065, 29016, 7570, 16687, 202755, 801780, 1696555, 2433165, 2300403, 1326850, 357435, 148329, 2624496, 15606360, 48387024, 99650670, 141429456, 135382464, 79738800, 22040361, 1468457, 36080100, 304274880, 1323453180, 3760709526, 7493549868, 10570597800, 10199809980, 6103007505, 1721632024]

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