A280781 - cp's OEIS frontend

A280781 Denominators of coefficients in asymptotic expansion of S_n (number of simple permutations, A111111).

n	a(n)
0	1
1	1
2	1
3	3
4	3
5	15
6	45
7	315
8	63
9	2835
10	14175
11	22275
12	467775
13	1216215
14	42567525
15	638512875
16	638512875
17	834978375
18	558242685
19	1856156927625
20	713906510625
21	17717861581875
22	2143861251406875
23	9861761756471625
24	147926426347074375
25	75472666503609375
26	48076088562799171875

[1, 1, 1, 3, 3, 15, 45, 315, 63, 2835, 14175, 22275, 467775, 1216215, 42567525, 638512875, 638512875, 834978375, 558242685, 1856156927625, 713906510625, 17717861581875, 2143861251406875, 9861761756471625, 147926426347074375, 75472666503609375, 48076088562799171875]

cp's OEIS Frontend

A280781 Denominators of coefficients in asymptotic expansion of S_n (number of simple permutations, A111111).

Table of values

List of values