A270952 - cp's OEIS frontend

A270952 T(n, k) is the number of k-element connected subposets of the n-th Boolean lattice, 0 <= k <= 2^n.

n	a(n)
0	1
1	1
2	1
3	2
4	1
5	1
6	4
7	5
8	4
9	1
10	1
11	8
12	19
13	42
14	61
15	56
16	28
17	8
18	1
19	1
20	16
21	65
22	304
23	1129
24	3200
25	6775
26	10680
27	12600
28	11386
29	8002
30	4368
31	1820
32	560
33	120
34	16
35	1
36	1
37	32
38	211
39	1890
40	14935
41	97470

[1, 1, 1, 2, 1, 1, 4, 5, 4, 1, 1, 8, 19, 42, 61, 56, 28, 8, 1, 1, 16, 65, 304, 1129, 3200, 6775, 10680, 12600, 11386, 8002, 4368, 1820, 560, 120, 16, 1, 1, 32, 211, 1890, 14935, 97470]

cp's OEIS Frontend

A270952 T(n, k) is the number of k-element connected subposets of the n-th Boolean lattice, 0 <= k <= 2^n.

Table of values

List of values