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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.

A286783 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 3
2 15
3 5
4 105
5 77
6 7
7 945
8 1044
9 234
10 9
11 10395
12 14784
13 5390
14 550
15 11
16 135135
17 227877
18 113126
19 19760
20 1105
21 13
22 2027025
23 3862305
24 2371845
25 586425
26 58275
27 1995
28 15
29 34459425
30 71983440
31 51607716
32 16271380
33 2356234
34 147560
35 3332
36 17
37 654729075
38 1469813400
39 1185214452
40 446964322
41 84487110
42 7888876
43 333564
44 5244
45 19
46 13749310575
47 32718512925
48 28937407212
49 12516198870
50 2884205268
51 358182846
52 23006928
53 690480
54 7875
55 21

List of values

[1, 3, 15, 5, 105, 77, 7, 945, 1044, 234, 9, 10395, 14784, 5390, 550, 11, 135135, 227877, 113126, 19760, 1105, 13, 2027025, 3862305, 2371845, 586425, 58275, 1995, 15, 34459425, 71983440, 51607716, 16271380, 2356234, 147560, 3332, 17, 654729075, 1469813400, 1185214452, 446964322, 84487110, 7888876, 333564, 5244, 19, 13749310575, 32718512925, 28937407212, 12516198870, 2884205268, 358182846, 23006928, 690480, 7875, 21]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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