A352650 - cp's OEIS frontend

A352650 Triangle read by rows: T(n,k) = n * T(n-1,k) + (-1)^(n-k) for 0 <= k <= n with initial values T(n,k) = 0 if n < 0 or k < 0 or k > n.

n	a(n)
0	1
1	0
2	1
3	1
4	1
5	1
6	2
7	4
8	2
9	1
10	9
11	15
12	9
13	3
14	1
15	44
16	76
17	44
18	16
19	4
20	1
21	265
22	455
23	265
24	95
25	25
26	5
27	1
28	1854
29	3186
30	1854
31	666
32	174
33	36
34	6
35	1
36	14833
37	25487
38	14833
39	5327
40	1393
41	287
42	49
43	7
44	1
45	133496
46	229384
47	133496
48	47944
49	12536
50	2584
51	440
52	64
53	8
54	1
55	1334961
56	2293839
57	1334961
58	479439
59	125361
60	25839
61	4401
62	639
63	81
64	9
65	1

[1, 0, 1, 1, 1, 1, 2, 4, 2, 1, 9, 15, 9, 3, 1, 44, 76, 44, 16, 4, 1, 265, 455, 265, 95, 25, 5, 1, 1854, 3186, 1854, 666, 174, 36, 6, 1, 14833, 25487, 14833, 5327, 1393, 287, 49, 7, 1, 133496, 229384, 133496, 47944, 12536, 2584, 440, 64, 8, 1, 1334961, 2293839, 1334961, 479439, 125361, 25839, 4401, 639, 81, 9, 1]

cp's OEIS Frontend

A352650 Triangle read by rows: T(n,k) = n * T(n-1,k) + (-1)^(n-k) for 0 <= k <= n with initial values T(n,k) = 0 if n < 0 or k < 0 or k > n.

Table of values

List of values