A363071 - cp's OEIS frontend

A363071 Number of partitions of [n] into m blocks that are ordered with increasing least elements and where block j contains n+1-j (m in {0..ceiling(n/2)}, j in {1..m}).

n	a(n)
0	1
1	1
2	1
3	2
4	3
5	6
6	13
7	31
8	80
9	222
10	659
11	2082
12	6966
13	24574
14	91067
15	353443
16	1432909
17	6054025
18	26599192
19	121295345
20	573065538
21	2800640187
22	14137645933
23	73619324824
24	394979697320
25	2180911872495
26	12380240599262
27	72181691321844
28	431857838950302
29	2649144684462775

[1, 1, 1, 2, 3, 6, 13, 31, 80, 222, 659, 2082, 6966, 24574, 91067, 353443, 1432909, 6054025, 26599192, 121295345, 573065538, 2800640187, 14137645933, 73619324824, 394979697320, 2180911872495, 12380240599262, 72181691321844, 431857838950302, 2649144684462775]

cp's OEIS Frontend

A363071 Number of partitions of [n] into m blocks that are ordered with increasing least elements and where block j contains n+1-j (m in {0..ceiling(n/2)}, j in {1..m}).

Table of values

List of values