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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.

A287030 Triangle T(n,k) read by rows: coefficients of polynomials P_n(t) defined in Formula section.

Table of values

n a(n)
0 0
1 0
2 1
3 1
4 1
5 2
6 1
7 1
8 3
9 5
10 3
11 9
12 17
13 6
14 2
15 30
16 41
17 26
18 10
19 81
20 131
21 111
22 30
23 5
24 242
25 491
26 357
27 134
28 35
29 838
30 1625
31 1274
32 652
33 140
34 14
35 2799
36 5497
37 5202
38 2556
39 676
40 126
41 9365
42 20581
43 19827
44 10200
45 3610
46 630
47 42
48 33616
49 76561
50 74797
51 44880
52 16390
53 3334
54 462
55 122937
56 282591
57 301188
58 190278
59 72490
60 19218
61 2772
62 132
63 449698
64 1089375
65 1219920
66 788654
67 341770
68 97890
69 16108
70 1716
71 1696724
72 4285737
73 4893603
74 3398950
75 1578577
76 474838
77 99386
78 12012
79 429

List of values

[0, 0, 1, 1, 1, 2, 1, 1, 3, 5, 3, 9, 17, 6, 2, 30, 41, 26, 10, 81, 131, 111, 30, 5, 242, 491, 357, 134, 35, 838, 1625, 1274, 652, 140, 14, 2799, 5497, 5202, 2556, 676, 126, 9365, 20581, 19827, 10200, 3610, 630, 42, 33616, 76561, 74797, 44880, 16390, 3334, 462, 122937, 282591, 301188, 190278, 72490, 19218, 2772, 132, 449698, 1089375, 1219920, 788654, 341770, 97890, 16108, 1716, 1696724, 4285737, 4893603, 3398950, 1578577, 474838, 99386, 12012, 429]