A069783 - cp's OEIS frontend

A069783 a(n) = gcd(d(n!^3), d(n!)), where d() is the number of divisors function.

n	a(n)
1	1
2	2
3	4
4	8
5	16
6	2
7	4
8	32
9	32
10	10
11	20
12	8
13	16
14	32
15	448
16	448
17	1792
18	32
19	64
20	80
21	3200
22	1280
23	2560
24	320
25	448
26	1792
27	25088
28	101920
29	203840
30	128
31	256
32	4096
33	81920
34	112640
35	2048
36	8960
37	17920
38	1024
39	2048
40	5120
41	10240
42	5734400
43	11468800
44	1003520
45	250880
46	8960
47	17920

[1, 2, 4, 8, 16, 2, 4, 32, 32, 10, 20, 8, 16, 32, 448, 448, 1792, 32, 64, 80, 3200, 1280, 2560, 320, 448, 1792, 25088, 101920, 203840, 128, 256, 4096, 81920, 112640, 2048, 8960, 17920, 1024, 2048, 5120, 10240, 5734400, 11468800, 1003520, 250880, 8960, 17920]

cp's OEIS Frontend

A069783 a(n) = gcd(d(n!^3), d(n!)), where d() is the number of divisors function.

Table of values

List of values