A056861 - cp's OEIS frontend

A056861 Triangle T(n,k) is the number of restricted growth strings (RGS) of set partitions of {1..n} that have an increase at index k (1<=k

n	a(n)
2	1
3	3
4	2
5	10
6	7
7	6
8	37
9	27
10	23
11	21
12	151
13	114
14	97
15	88
16	83
17	674
18	523
19	446
20	403
21	378
22	363
23	3263
24	2589
25	2217
26	1999
27	1867
28	1785
29	1733
30	17007
31	13744
32	11829
33	10658
34	9923
35	9452
36	9145
37	8942
38	94828
39	77821
40	67340
41	60689
42	56380
43	53541
44	51644
45	50361
46	49484
47	562595

[1, 3, 2, 10, 7, 6, 37, 27, 23, 21, 151, 114, 97, 88, 83, 674, 523, 446, 403, 378, 363, 3263, 2589, 2217, 1999, 1867, 1785, 1733, 17007, 13744, 11829, 10658, 9923, 9452, 9145, 8942, 94828, 77821, 67340, 60689, 56380, 53541, 51644, 50361, 49484, 562595]

cp's OEIS Frontend

A056861 Triangle T(n,k) is the number of restricted growth strings (RGS) of set partitions of {1..n} that have an increase at index k (1<=k

Table of values

List of values