A382734 - cp's OEIS frontend

A382734 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = n! * k! * [x^n * y^k] 1 / (exp(x) + exp(y) - exp(x+y))^2.

n	a(n)
0	1
1	0
2	0
3	0
4	2
5	0
6	0
7	2
8	2
9	0
10	0
11	2
12	14
13	2
14	0
15	0
16	2
17	38
18	38
19	2
20	0
21	0
22	2
23	86
24	254
25	86
26	2
27	0
28	0
29	2
30	182
31	1118
32	1118
33	182
34	2
35	0
36	0
37	2
38	374
39	4142
40	8654
41	4142
42	374
43	2
44	0
45	0
46	2
47	758
48	14078
49	51662
50	51662
51	14078
52	758
53	2
54	0
55	0
56	2
57	1526
58	45614
59	267566
60	467102
61	267566
62	45614
63	1526
64	2
65	0

[1, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 2, 14, 2, 0, 0, 2, 38, 38, 2, 0, 0, 2, 86, 254, 86, 2, 0, 0, 2, 182, 1118, 1118, 182, 2, 0, 0, 2, 374, 4142, 8654, 4142, 374, 2, 0, 0, 2, 758, 14078, 51662, 51662, 14078, 758, 2, 0, 0, 2, 1526, 45614, 267566, 467102, 267566, 45614, 1526, 2, 0]

cp's OEIS Frontend

A382734 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = n! * k! * [x^n * y^k] 1 / (exp(x) + exp(y) - exp(x+y))^2.

Table of values

List of values