A056862 - cp's OEIS frontend

A056862 Triangle T(n,k) is the number of restricted growth strings (RGS) of set partitions of {1..n} that have a decrease at index k (1<=k

n	a(n)
2	0
3	0
4	1
5	0
6	3
7	4
8	0
9	10
10	14
11	16
12	0
13	37
14	54
15	63
16	68
17	0
18	151
19	228
20	271
21	296
22	311
23	0
24	674
25	1046
26	1264
27	1396
28	1478
29	1530
30	0
31	3263
32	5178
33	6349
34	7084
35	7555
36	7862
37	8065
38	0
39	17007
40	27488
41	34139
42	38448
43	41287
44	43184
45	44467
46	45344
47	0
48	94828
49	155642
50	195494
51	222044
52	239976
53	252230
54	260690
55	266584
56	270724

[0, 0, 1, 0, 3, 4, 0, 10, 14, 16, 0, 37, 54, 63, 68, 0, 151, 228, 271, 296, 311, 0, 674, 1046, 1264, 1396, 1478, 1530, 0, 3263, 5178, 6349, 7084, 7555, 7862, 8065, 0, 17007, 27488, 34139, 38448, 41287, 43184, 44467, 45344, 0, 94828, 155642, 195494, 222044, 239976, 252230, 260690, 266584, 270724]

cp's OEIS Frontend

A056862 Triangle T(n,k) is the number of restricted growth strings (RGS) of set partitions of {1..n} that have a decrease at index k (1<=k

Table of values

List of values