A127058 - cp's OEIS frontend

A127058 Triangle, read by rows, defined by: T(n,k) = Sum_{j=0..n-k-1} T(j+k,k)*T(n-j,k+1) for n > k >= 0, with T(n,n) = n+1.

n	a(n)
0	1
1	2
2	2
3	10
4	6
5	3
6	74
7	42
8	12
9	4
10	706
11	414
12	108
13	20
14	5
15	8162
16	5058
17	1332
18	220
19	30
20	6
21	110410
22	72486
23	19908
24	3260
25	390
26	42
27	7
28	1708394
29	1182762
30	342252
31	57700
32	6750
33	630
34	56
35	8
36	29752066
37	21573054
38	6583788
39	1159700
40	138150
41	12474
42	952
43	72
44	9
45	576037442

[1, 2, 2, 10, 6, 3, 74, 42, 12, 4, 706, 414, 108, 20, 5, 8162, 5058, 1332, 220, 30, 6, 110410, 72486, 19908, 3260, 390, 42, 7, 1708394, 1182762, 342252, 57700, 6750, 630, 56, 8, 29752066, 21573054, 6583788, 1159700, 138150, 12474, 952, 72, 9, 576037442]

cp's OEIS Frontend

A127058 Triangle, read by rows, defined by: T(n,k) = Sum_{j=0..n-k-1} T(j+k,k)*T(n-j,k+1) for n > k >= 0, with T(n,n) = n+1.

Table of values

List of values