A032220 - cp's OEIS frontend

A032220 Number of ways to partition n labeled elements into pie slices of different odd sizes, allowing the pie to be turned over.

n	a(n)
0	1
1	1
2	0
3	1
4	4
5	1
6	6
7	1
8	64
9	505
10	130
11	1321
12	1024
13	13157
14	2380
15	395851
16	17313664
17	1639617
18	73554666
19	16100905
20	919339264
21	292018525
22	18910614580
23	1549052715
24	1523900106304
25	141366386526801
26	9494469178116

[1, 1, 0, 1, 4, 1, 6, 1, 64, 505, 130, 1321, 1024, 13157, 2380, 395851, 17313664, 1639617, 73554666, 16100905, 919339264, 292018525, 18910614580, 1549052715, 1523900106304, 141366386526801, 9494469178116]

cp's OEIS Frontend

A032220 Number of ways to partition n labeled elements into pie slices of different odd sizes, allowing the pie to be turned over.

Table of values

List of values