cp's OEIS Frontend

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.

A290595 Triangle T(n, k) read by rows: row n gives the coefficients of the numerator polynomials of the o.g.f. of the (n+1)-th diagonal of the Sheffer triangle A286718 (|S1hat[3,1]| generalized Stirling 1), for n >= 0.

Table of values

n a(n)
0 1
1 1
2 2
3 4
4 19
5 4
6 28
7 222
8 147
9 8
10 280
11 3194
12 4128
13 887
14 16
15 3640
16 55024
17 113566
18 52538
19 4835
20 32
21 58240
22 1107336
23 3268788
24 2562676
25 555684
26 25167
27 64
28 1106560
29 25526192
30 100544412
31 117517960
32 45415640
33 5301150
34 128203
35 128
36 24344320
37 663605680
38 3325767376
39 5352311764
40 3189383200
41 695714590
42 47537320
43 646519
44 256
45 608608000
46 19213911360
47 118361719296
48 248493947496
49 208996478388
50 72479948400
51 9696965250
52 410038434
53 3245139
54 512

List of values

[1, 1, 2, 4, 19, 4, 28, 222, 147, 8, 280, 3194, 4128, 887, 16, 3640, 55024, 113566, 52538, 4835, 32, 58240, 1107336, 3268788, 2562676, 555684, 25167, 64, 1106560, 25526192, 100544412, 117517960, 45415640, 5301150, 128203, 128, 24344320, 663605680, 3325767376, 5352311764, 3189383200, 695714590, 47537320, 646519, 256, 608608000, 19213911360, 118361719296, 248493947496, 208996478388, 72479948400, 9696965250, 410038434, 3245139, 512]