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.

A366230 Expansion of e.g.f. A(x,y) satisfying A(x,y) = 1 + x*A(x,y) * exp(x*y * A(x,y)), as a triangle read by rows.

Table of values

n a(n)
0 1
1 1
2 0
3 2
4 2
5 0
6 6
7 18
8 3
9 0
10 24
11 144
12 96
13 4
14 0
15 120
16 1200
17 1800
18 400
19 5
20 0
21 720
22 10800
23 28800
24 16200
25 1440
26 6
27 0
28 5040
29 105840
30 441000
31 470400
32 119070
33 4704
34 7
35 0
36 40320
37 1128960
38 6773760
39 11760000
40 6021120
41 762048
42 14336
43 8
44 0
45 362880
46 13063680
47 106686720
48 274337280
49 238140000
50 65028096
51 4408992
52 41472
53 9
54 0

List of values

[1, 1, 0, 2, 2, 0, 6, 18, 3, 0, 24, 144, 96, 4, 0, 120, 1200, 1800, 400, 5, 0, 720, 10800, 28800, 16200, 1440, 6, 0, 5040, 105840, 441000, 470400, 119070, 4704, 7, 0, 40320, 1128960, 6773760, 11760000, 6021120, 762048, 14336, 8, 0, 362880, 13063680, 106686720, 274337280, 238140000, 65028096, 4408992, 41472, 9, 0]