A114338 - cp's OEIS frontend

A114338 Number of divisors of n!! (double factorial = A006882(n)).

n	a(n)
0	1
1	1
2	2
3	2
4	4
5	4
6	10
7	8
8	16
9	16
10	36
11	32
12	66
13	64
14	144
15	120
16	192
17	240
18	340
19	480
20	570
21	864
22	1200
23	1728
24	1656
25	2880
26	3456
27	4320
28	5616
29	8640
30	9072
31	17280
32	10752
33	28800
34	22176
35	46080
36	30240
37	92160
38	62208
39	152064
40	84240
41	304128
42	128000
43	608256
44	201600

[1, 1, 2, 2, 4, 4, 10, 8, 16, 16, 36, 32, 66, 64, 144, 120, 192, 240, 340, 480, 570, 864, 1200, 1728, 1656, 2880, 3456, 4320, 5616, 8640, 9072, 17280, 10752, 28800, 22176, 46080, 30240, 92160, 62208, 152064, 84240, 304128, 128000, 608256, 201600]

cp's OEIS Frontend

A114338 Number of divisors of n!! (double factorial = A006882(n)).

Table of values

List of values