A117396 - cp's OEIS frontend

A117396 Triangle, read by rows, defined by: T(n,k) = (k+1)T(n,k+1) - Sum_{j=1..n-k-1} T(j,0)T(n,j+k+1) for n>k with T(n,n)=1 for n>=0.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	5
8	3
9	1
10	1
11	17
12	11
13	4
14	1
15	1
16	77
17	51
18	19
19	5
20	1
21	1
22	437
23	291
24	109
25	29
26	6
27	1
28	1
29	2957
30	1971
31	739
32	197
33	41
34	7
35	1
36	1
37	23117
38	15411
39	5779
40	1541
41	321
42	55
43	8
44	1
45	1
46	204557
47	136371
48	51139
49	13637
50	2841
51	487
52	71
53	9
54	1
55	1
56	2018957
57	1345971
58	504739
59	134597
60	28041
61	4807
62	701
63	89
64	10
65	1

[1, 1, 1, 1, 2, 1, 1, 5, 3, 1, 1, 17, 11, 4, 1, 1, 77, 51, 19, 5, 1, 1, 437, 291, 109, 29, 6, 1, 1, 2957, 1971, 739, 197, 41, 7, 1, 1, 23117, 15411, 5779, 1541, 321, 55, 8, 1, 1, 204557, 136371, 51139, 13637, 2841, 487, 71, 9, 1, 1, 2018957, 1345971, 504739, 134597, 28041, 4807, 701, 89, 10, 1]

cp's OEIS Frontend

A117396 Triangle, read by rows, defined by: T(n,k) = (k+1)T(n,k+1) - Sum_{j=1..n-k-1} T(j,0)T(n,j+k+1) for n>k with T(n,n)=1 for n>=0.

Table of values

List of values

cp's OEIS Frontend

A117396 Triangle, read by rows, defined by: T(n,k) = (k+1)*T(n,k+1) - Sum_{j=1..n-k-1} T(j,0)*T(n,j+k+1) for n>k with T(n,n)=1 for n>=0.

Table of values

List of values

A117396 Triangle, read by rows, defined by: T(n,k) = (k+1)T(n,k+1) - Sum_{j=1..n-k-1} T(j,0)T(n,j+k+1) for n>k with T(n,n)=1 for n>=0.