A112354 - cp's OEIS frontend

A112354 Inverse Euler transform of n!. Also the number of sequences of permutations with no global descents which are Lyndon (smallest in lexicographic order of all cyclic shifts of the sequences) where the size of the sequence = sum of sizes of the permutations.

n	a(n)
1	1
2	1
3	4
4	17
5	92
6	572
7	4156
8	34159
9	314368
10	3199844
11	35703996
12	433421495
13	5687955724
14	80256874912
15	1211781887796
16	19496946534720
17	333041104402860
18	6019770246910128
19	114794574818830716
20	2303332661416242633
21	48509766592884311132
22	1069983257387132347080

[1, 1, 4, 17, 92, 572, 4156, 34159, 314368, 3199844, 35703996, 433421495, 5687955724, 80256874912, 1211781887796, 19496946534720, 333041104402860, 6019770246910128, 114794574818830716, 2303332661416242633, 48509766592884311132, 1069983257387132347080]

cp's OEIS Frontend

A112354 Inverse Euler transform of n!. Also the number of sequences of permutations with no global descents which are Lyndon (smallest in lexicographic order of all cyclic shifts of the sequences) where the size of the sequence = sum of sizes of the permutations.

Table of values

List of values