A181899 - cp's OEIS frontend

A181899 Largest divisor of n!/4 which is less than sqrt(n!)/2.

n	a(n)
4	2
5	5
6	12
7	35
8	96
9	288
10	945
11	3150
12	10800
13	39312
14	147420
15	571536
16	2286144
17	9424800
18	39984000
19	174283200
20	779688000
21	3573570000
22	16761064320
23	80379048750
24	393826406400
25	1969132032000
26	10040487256800
27	52174220175000
28	276080056560000
29	1486750296281250

[2, 5, 12, 35, 96, 288, 945, 3150, 10800, 39312, 147420, 571536, 2286144, 9424800, 39984000, 174283200, 779688000, 3573570000, 16761064320, 80379048750, 393826406400, 1969132032000, 10040487256800, 52174220175000, 276080056560000, 1486750296281250]

cp's OEIS Frontend

A181899 Largest divisor of n!/4 which is less than sqrt(n!)/2.

Table of values

List of values