A245087 - cp's OEIS frontend

A245087 Largest number such that 2^a(n) is a divisor of (n!)!.

n	a(n)
0	0
1	0
2	1
3	4
4	22
5	116
6	716
7	5034
8	40314
9	362874
10	3628789
11	39916793
12	479001588
13	6227020788
14	87178291188
15	1307674367982
16	20922789887982
17	355687428095978
18	6402373705727977
19	121645100408831983
20	2432902008176639978
21	51090942171709439975
22	1124000727777607679972

[0, 0, 1, 4, 22, 116, 716, 5034, 40314, 362874, 3628789, 39916793, 479001588, 6227020788, 87178291188, 1307674367982, 20922789887982, 355687428095978, 6402373705727977, 121645100408831983, 2432902008176639978, 51090942171709439975, 1124000727777607679972]

cp's OEIS Frontend

A245087 Largest number such that 2^a(n) is a divisor of (n!)!.

Table of values

List of values