A382736 - cp's OEIS frontend

A382736 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))^4.

n	a(n)
0	1
1	0
2	0
3	0
4	4
5	0
6	0
7	4
8	4
9	0
10	0
11	4
12	44
13	4
14	0
15	0
16	4
17	124
18	124
19	4
20	0
21	0
22	4
23	284
24	1084
25	284
26	4
27	0
28	0
29	4
30	604
31	5164
32	5164
33	604
34	4
35	0
36	0
37	4
38	1244
39	19804
40	48044
41	19804
42	1244
43	4
44	0
45	0
46	4
47	2524
48	68524
49	313804
50	313804
51	68524
52	2524
53	4
54	0
55	0
56	4
57	5084
58	224284
59	1707884
60	3281404
61	1707884
62	224284
63	5084
64	4
65	0

[1, 0, 0, 0, 4, 0, 0, 4, 4, 0, 0, 4, 44, 4, 0, 0, 4, 124, 124, 4, 0, 0, 4, 284, 1084, 284, 4, 0, 0, 4, 604, 5164, 5164, 604, 4, 0, 0, 4, 1244, 19804, 48044, 19804, 1244, 4, 0, 0, 4, 2524, 68524, 313804, 313804, 68524, 2524, 4, 0, 0, 4, 5084, 224284, 1707884, 3281404, 1707884, 224284, 5084, 4, 0]

cp's OEIS Frontend

A382736 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))^4.

Table of values

List of values