A358072 - cp's OEIS frontend

A358072 a(n) is the number of "merger histories" of n elements (see A256006) where at most 3 elements can merge at the same time.

n	a(n)
1	1
2	1
3	4
4	28
5	320
6	5360
7	123760
8	3765440
9	145951680
10	7019678400
11	410164339200
12	28615175635200
13	2349290700556800
14	224201377681881600
15	24610071925350912000
16	3078761402543963136000
17	435446399655217606656000

[1, 1, 4, 28, 320, 5360, 123760, 3765440, 145951680, 7019678400, 410164339200, 28615175635200, 2349290700556800, 224201377681881600, 24610071925350912000, 3078761402543963136000, 435446399655217606656000]

cp's OEIS Frontend

A358072 a(n) is the number of "merger histories" of n elements (see A256006) where at most 3 elements can merge at the same time.

Table of values

List of values