A089225 - cp's OEIS frontend

A089225 Triangle T(n,k) read by rows, defined by T(n,k) = (n-k)*T(n-1,k)+Sum(k=1..n, T(n-1,k)); T(1,1) = 1, T(1,k)= 0 if k >1.

n	a(n)
1	1
2	2
3	1
4	7
5	4
6	3
7	35
8	22
9	17
10	14
11	228
12	154
13	122
14	102
15	88
16	1834
17	1310
18	1060
19	898
20	782
21	694
22	17582
23	13128
24	10818
25	9272
26	8142
27	7272
28	6578
29	195866
30	151560
31	126882
32	109880
33	97218
34	87336
35	79370
36	72792
37	2487832
38	1981824
39	1682196
40	1470304
41	1309776

[1, 2, 1, 7, 4, 3, 35, 22, 17, 14, 228, 154, 122, 102, 88, 1834, 1310, 1060, 898, 782, 694, 17582, 13128, 10818, 9272, 8142, 7272, 6578, 195866, 151560, 126882, 109880, 97218, 87336, 79370, 72792, 2487832, 1981824, 1682196, 1470304, 1309776]

cp's OEIS Frontend

A089225 Triangle T(n,k) read by rows, defined by T(n,k) = (n-k)*T(n-1,k)+Sum(k=1..n, T(n-1,k)); T(1,1) = 1, T(1,k)= 0 if k >1.

Table of values

List of values