A291929 - cp's OEIS frontend

A291929 Triangle read by rows: T(n,k) = T(n-k,k-1) + 2*T(n-k,k) + T(n-k,k+1) with T(0,0) = 1 for 0 <= k <= A003056(n).

n	a(n)
0	1
1	0
2	1
3	0
4	2
5	0
6	4
7	1
8	0
9	9
10	2
11	0
12	20
13	6
14	0
15	46
16	13
17	1
18	0
19	105
20	32
21	2
22	0
23	242
24	73
25	6
26	0
27	557
28	171
29	15
30	0
31	1285
32	394
33	36
34	1
35	0
36	2964
37	914
38	85
39	2
40	0
41	6842
42	2109
43	201
44	6
45	0
46	15793
47	4877
48	467
49	15
50	0
51	36463
52	11261
53	1086
54	38
55	0
56	84187
57	26014
58	2517
59	89
60	1
61	0
62	194388

[1, 0, 1, 0, 2, 0, 4, 1, 0, 9, 2, 0, 20, 6, 0, 46, 13, 1, 0, 105, 32, 2, 0, 242, 73, 6, 0, 557, 171, 15, 0, 1285, 394, 36, 1, 0, 2964, 914, 85, 2, 0, 6842, 2109, 201, 6, 0, 15793, 4877, 467, 15, 0, 36463, 11261, 1086, 38, 0, 84187, 26014, 2517, 89, 1, 0, 194388]

cp's OEIS Frontend

A291929 Triangle read by rows: T(n,k) = T(n-k,k-1) + 2*T(n-k,k) + T(n-k,k+1) with T(0,0) = 1 for 0 <= k <= A003056(n).

Table of values

List of values