A384891 - cp's OEIS frontend

A384891 Number of permutations of {1..n} with all distinct lengths of maximal runs (increasing by 1).

n	a(n)
0	1
1	1
2	1
3	3
4	3
5	5
6	23
7	25
8	43
9	63
10	345
11	365
12	665
13	949
14	1513
15	8175
16	9003
17	15929
18	23399
19	36949
20	51043
21	293715
22	314697
23	570353
24	826817
25	1318201
26	1810393
27	2766099
28	14180139
29	15600413
30	27707879
31	40501321
32	63981955
33	88599903
34	134362569
35	181491125
36	923029217

[1, 1, 1, 3, 3, 5, 23, 25, 43, 63, 345, 365, 665, 949, 1513, 8175, 9003, 15929, 23399, 36949, 51043, 293715, 314697, 570353, 826817, 1318201, 1810393, 2766099, 14180139, 15600413, 27707879, 40501321, 63981955, 88599903, 134362569, 181491125, 923029217]

cp's OEIS Frontend

A384891 Number of permutations of {1..n} with all distinct lengths of maximal runs (increasing by 1).

Table of values

List of values