A168444 - cp's OEIS frontend

A168444 Number of partitions of the set {1,2,...,n} such that no block is a sequence of consecutive integers (including 1-element blocks).

n	a(n)
0	1
1	0
2	0
3	0
4	1
5	5
6	21
7	91
8	422
9	2103
10	11226
11	63879
12	385691
13	2461004
14	16535820
15	116628147
16	861033654
17	6637143698
18	53297137552
19	444940442553
20	3854539901147
21	34592812084693
22	321125878230123
23	3079144039478532
24	30457076370822777
25	310407099470429818
26	3255972198123974137
27	35114803641531204063

[1, 0, 0, 0, 1, 5, 21, 91, 422, 2103, 11226, 63879, 385691, 2461004, 16535820, 116628147, 861033654, 6637143698, 53297137552, 444940442553, 3854539901147, 34592812084693, 321125878230123, 3079144039478532, 30457076370822777, 310407099470429818, 3255972198123974137, 35114803641531204063]

cp's OEIS Frontend

A168444 Number of partitions of the set {1,2,...,n} such that no block is a sequence of consecutive integers (including 1-element blocks).

Table of values

List of values