A250119 - cp's OEIS frontend

A250119 Triangle read by rows: T(n,m) (n >= 1, 1 <= m <= n) = number of set partitions of [n], avoiding 123454, with m blocks.

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	1
7	1
8	7
9	6
10	1
11	1
12	15
13	25
14	10
15	1
16	1
17	31
18	90
19	65
20	14
21	1
22	1
23	63
24	301
25	350
26	121
27	18
28	1
29	1
30	127
31	966
32	1701
33	834
34	193
35	22
36	1
37	1
38	255
39	3025
40	7770
41	5037
42	1606
43	281
44	26
45	1
46	1
47	511
48	9330
49	34105
50	27918
51	11461
52	2730
53	385
54	30
55	1
56	1
57	1023
58	28501
59	145750
60	145777
61	73762
62	22381
63	4270
64	505
65	34
66	1

[1, 1, 1, 1, 3, 1, 1, 7, 6, 1, 1, 15, 25, 10, 1, 1, 31, 90, 65, 14, 1, 1, 63, 301, 350, 121, 18, 1, 1, 127, 966, 1701, 834, 193, 22, 1, 1, 255, 3025, 7770, 5037, 1606, 281, 26, 1, 1, 511, 9330, 34105, 27918, 11461, 2730, 385, 30, 1, 1, 1023, 28501, 145750, 145777, 73762, 22381, 4270, 505, 34, 1]

cp's OEIS Frontend

A250119 Triangle read by rows: T(n,m) (n >= 1, 1 <= m <= n) = number of set partitions of [n], avoiding 123454, with m blocks.

Table of values

List of values