A369292 - cp's OEIS frontend

A369292 Array read by downward antidiagonals: A(n,k) = -A(n-1,k) + (k+1)*A(n-1,k+1) + A(n-1,k+2) with A(0,k) = 1, n >= 0, k >= 0.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	4
6	1
7	3
8	8
9	18
10	1
11	4
12	14
13	42
14	108
15	1
16	5
17	22
18	84
19	276
20	780
21	1
22	6
23	32
24	150
25	612
26	2160
27	6600
28	1
29	7
30	44
31	246
32	1212
33	5220
34	19560
35	63840
36	1
37	8
38	58
39	378
40	2196
41	11280
42	50880
43	200760
44	693840
45	1
46	9
47	74
48	552
49	3708
50	22260
51	118560
52	556920
53	2299920
54	8361360

[1, 1, 1, 1, 2, 4, 1, 3, 8, 18, 1, 4, 14, 42, 108, 1, 5, 22, 84, 276, 780, 1, 6, 32, 150, 612, 2160, 6600, 1, 7, 44, 246, 1212, 5220, 19560, 63840, 1, 8, 58, 378, 2196, 11280, 50880, 200760, 693840, 1, 9, 74, 552, 3708, 22260, 118560, 556920, 2299920, 8361360]

cp's OEIS Frontend

A369292 Array read by downward antidiagonals: A(n,k) = -A(n-1,k) + (k+1)*A(n-1,k+1) + A(n-1,k+2) with A(0,k) = 1, n >= 0, k >= 0.

Table of values

List of values