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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.

A286796 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 1
3 4
4 5
5 1
6 27
7 40
8 14
9 1
10 248
11 419
12 200
13 30
14 1
15 2830
16 5308
17 3124
18 700
19 55
20 1
21 38232
22 78070
23 53620
24 15652
25 1960
26 91
27 1
28 593859
29 1301088
30 1007292
31 356048
32 60550
33 4704
34 140
35 1
36 10401712
37 24177939
38 20604768
39 8430844
40 1787280
41 194854
42 10080
43 204
44 1
45 202601898
46 495263284
47 456715752
48 209878440
49 52619854
50 7322172
51 545908
52 19800
53 285
54 1
55 4342263000
56 11085720018
57 10921213644
58 5516785032
59 1579263840
60 264576774
61 25677652
62 1372228
63 36300
64 385
65 1

List of values

[1, 1, 1, 4, 5, 1, 27, 40, 14, 1, 248, 419, 200, 30, 1, 2830, 5308, 3124, 700, 55, 1, 38232, 78070, 53620, 15652, 1960, 91, 1, 593859, 1301088, 1007292, 356048, 60550, 4704, 140, 1, 10401712, 24177939, 20604768, 8430844, 1787280, 194854, 10080, 204, 1, 202601898, 495263284, 456715752, 209878440, 52619854, 7322172, 545908, 19800, 285, 1, 4342263000, 11085720018, 10921213644, 5516785032, 1579263840, 264576774, 25677652, 1372228, 36300, 385, 1]