A233744 - cp's OEIS frontend

A233744 Numbers p = a(n) such that p divided by (n-1)! is equal to the average number of elements of partition sets of n elements excluding sets with a singleton.

n	a(n)
2	1
3	2
4	8
5	36
6	200
7	1300
8	9720
9	82180
10	775520
11	8082180
12	92205800
13	1143084580
14	15302486160
15	220019440420
16	3381685263320
17	55333244924100
18	960361672886720
19	17622501030879940
20	340893902373527880
21	6933456765092580580
22	147919915357498809200
23	3303011756746128625380

[1, 2, 8, 36, 200, 1300, 9720, 82180, 775520, 8082180, 92205800, 1143084580, 15302486160, 220019440420, 3381685263320, 55333244924100, 960361672886720, 17622501030879940, 340893902373527880, 6933456765092580580, 147919915357498809200, 3303011756746128625380]

cp's OEIS Frontend

A233744 Numbers p = a(n) such that p divided by (n-1)! is equal to the average number of elements of partition sets of n elements excluding sets with a singleton.

Table of values

List of values