A228340 - cp's OEIS frontend

A228340 Triangle read by rows: T(n,k) = (n-1)*T(n-1,k) + T(n-2,k), with T(n,n-1)=1, T(n,n-2)=n-2, for n >= 1, 0 <= k <= n-1.

n	a(n)
1	1
2	0
3	1
4	1
5	1
6	1
7	3
8	4
9	2
10	1
11	13
12	17
13	9
14	3
15	1
16	68
17	89
18	47
19	16
20	4
21	1
22	421
23	551
24	291
25	99
26	25
27	5
28	1
29	3015
30	3946
31	2084
32	709
33	179
34	36
35	6
36	1
37	24541
38	32119
39	16963
40	5771
41	1457
42	293
43	49
44	7
45	1
46	223884
47	293017
48	154751
49	52648
50	13292
51	2673
52	447
53	64
54	8
55	1

[1, 0, 1, 1, 1, 1, 3, 4, 2, 1, 13, 17, 9, 3, 1, 68, 89, 47, 16, 4, 1, 421, 551, 291, 99, 25, 5, 1, 3015, 3946, 2084, 709, 179, 36, 6, 1, 24541, 32119, 16963, 5771, 1457, 293, 49, 7, 1, 223884, 293017, 154751, 52648, 13292, 2673, 447, 64, 8, 1]

cp's OEIS Frontend

A228340 Triangle read by rows: T(n,k) = (n-1)*T(n-1,k) + T(n-2,k), with T(n,n-1)=1, T(n,n-2)=n-2, for n >= 1, 0 <= k <= n-1.

Table of values

List of values