A106579 - cp's OEIS frontend

A106579 Triangular array associated with Schroeder numbers: T(0,0) = 1, T(n,0) = 0 for n > 0; T(n,k) = 0 if k < n; T(n,k) = T(n,k-1) + T(n-1,k-1) + T(n-1,k).

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	2
6	0
7	1
8	4
9	6
10	0
11	1
12	6
13	16
14	22
15	0
16	1
17	8
18	30
19	68
20	90
21	0
22	1
23	10
24	48
25	146
26	304
27	394
28	0
29	1
30	12
31	70
32	264
33	714
34	1412
35	1806
36	0
37	1
38	14
39	96
40	430
41	1408
42	3534
43	6752
44	8558
45	0
46	1
47	16
48	126
49	652
50	2490
51	7432
52	17718
53	33028
54	41586
55	0
56	1
57	18
58	160
59	938
60	4080
61	14002
62	39152
63	89898
64	164512
65	206098

[1, 0, 1, 0, 1, 2, 0, 1, 4, 6, 0, 1, 6, 16, 22, 0, 1, 8, 30, 68, 90, 0, 1, 10, 48, 146, 304, 394, 0, 1, 12, 70, 264, 714, 1412, 1806, 0, 1, 14, 96, 430, 1408, 3534, 6752, 8558, 0, 1, 16, 126, 652, 2490, 7432, 17718, 33028, 41586, 0, 1, 18, 160, 938, 4080, 14002, 39152, 89898, 164512, 206098]

cp's OEIS Frontend

A106579 Triangular array associated with Schroeder numbers: T(0,0) = 1, T(n,0) = 0 for n > 0; T(n,k) = 0 if k < n; T(n,k) = T(n,k-1) + T(n-1,k-1) + T(n-1,k).

Table of values

List of values