A382799 - cp's OEIS frontend

A382799 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = n! * k! * [x^n * y^k] 1 / (1 - log(1-x) * log(1-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	4
12	14
13	4
14	0
15	0
16	12
17	40
18	40
19	12
20	0
21	0
22	48
23	144
24	260
25	144
26	48
27	0
28	0
29	240
30	648
31	1284
32	1284
33	648
34	240
35	0
36	0
37	1440
38	3528
39	6936
40	9588
41	6936
42	3528
43	1440
44	0
45	0
46	10080
47	22608
48	42744
49	65928
50	65928
51	42744
52	22608
53	10080
54	0
55	0
56	80640
57	166896
58	300240
59	476808
60	581952
61	476808
62	300240
63	166896
64	80640
65	0

[1, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 4, 14, 4, 0, 0, 12, 40, 40, 12, 0, 0, 48, 144, 260, 144, 48, 0, 0, 240, 648, 1284, 1284, 648, 240, 0, 0, 1440, 3528, 6936, 9588, 6936, 3528, 1440, 0, 0, 10080, 22608, 42744, 65928, 65928, 42744, 22608, 10080, 0, 0, 80640, 166896, 300240, 476808, 581952, 476808, 300240, 166896, 80640, 0]

cp's OEIS Frontend

A382799 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = n! * k! * [x^n * y^k] 1 / (1 - log(1-x) * log(1-y))^2.

Table of values

List of values