A247504 - cp's OEIS frontend

A247504 Square array read by antidiagonals, A(n,k) = k!*[x^k]((1-Sum_{j=1..n} x^j)^(-1)), (n>=0,k>=0).

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	1
8	2
9	0
10	1
11	1
12	4
13	6
14	0
15	1
16	1
17	4
18	18
19	24
20	0
21	1
22	1
23	4
24	24
25	120
26	120
27	0
28	1
29	1
30	4
31	24
32	168
33	960
34	720
35	0
36	1
37	1
38	4
39	24
40	192
41	1560
42	9360
43	5040
44	0
45	1
46	1
47	4
48	24
49	192
50	1800
51	17280
52	105840
53	40320
54	0
55	1
56	1
57	4
58	24
59	192
60	1920
61	20880
62	221760
63	1370880
64	362880
65	0

[1, 1, 0, 1, 1, 0, 1, 1, 2, 0, 1, 1, 4, 6, 0, 1, 1, 4, 18, 24, 0, 1, 1, 4, 24, 120, 120, 0, 1, 1, 4, 24, 168, 960, 720, 0, 1, 1, 4, 24, 192, 1560, 9360, 5040, 0, 1, 1, 4, 24, 192, 1800, 17280, 105840, 40320, 0, 1, 1, 4, 24, 192, 1920, 20880, 221760, 1370880, 362880, 0]

cp's OEIS Frontend

A247504 Square array read by antidiagonals, A(n,k) = k!*[x^k]((1-Sum_{j=1..n} x^j)^(-1)), (n>=0,k>=0).

Table of values

List of values