A163644 - cp's OEIS frontend

A163644 Product of primes which do not exceed n and do not divide the swinging factorial n$ (A056040).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	3
7	3
8	3
9	1
10	5
11	5
12	5
13	5
14	35
15	7
16	7
17	7
18	21
19	21
20	105
21	5
22	55
23	55
24	165
25	33
26	429
27	143
28	1001
29	1001
30	1001
31	1001
32	1001
33	91
34	1547
35	221
36	221
37	221
38	4199
39	323
40	323
41	323
42	2261
43	2261
44	24871
45	24871
46	572033
47	572033
48	572033
49	81719
50	408595
51	24035
52	312455

[1, 1, 1, 1, 1, 1, 3, 3, 3, 1, 5, 5, 5, 5, 35, 7, 7, 7, 21, 21, 105, 5, 55, 55, 165, 33, 429, 143, 1001, 1001, 1001, 1001, 1001, 91, 1547, 221, 221, 221, 4199, 323, 323, 323, 2261, 2261, 24871, 24871, 572033, 572033, 572033, 81719, 408595, 24035, 312455]

cp's OEIS Frontend

A163644 Product of primes which do not exceed n and do not divide the swinging factorial n$ (A056040).

Table of values

List of values