A319354 - cp's OEIS frontend

A319354 a(n) = Product prime(k), where k ranges over the lengths of all arithmetic progressions formed from the divisors of n (with at least two distinct terms each); a(1) = 2 by convention.

n	a(n)
1	2
2	3
3	3
4	27
5	3
6	1215
7	3
8	729
9	27
10	729
11	3
12	93002175
13	3
14	729
15	1215
16	59049
17	3
18	39858075
19	3
20	14348907
21	729
22	729
23	3
24	576626970315375
25	27
26	729
27	729
28	23914845
29	3
30	176518460300625
31	3
32	14348907
33	729
34	729
35	729
36	6305415920398625625
37	3
38	729
39	729
40	38127987424935
41	3
42	63546645708225
43	3
44	14348907
45	66430125
46	729
47	3
48	289588836976147679079375
49	27
50	14348907
51	729

[2, 3, 3, 27, 3, 1215, 3, 729, 27, 729, 3, 93002175, 3, 729, 1215, 59049, 3, 39858075, 3, 14348907, 729, 729, 3, 576626970315375, 27, 729, 729, 23914845, 3, 176518460300625, 3, 14348907, 729, 729, 729, 6305415920398625625, 3, 729, 729, 38127987424935, 3, 63546645708225, 3, 14348907, 66430125, 729, 3, 289588836976147679079375, 27, 14348907, 729]

cp's OEIS Frontend

A319354 a(n) = Product prime(k), where k ranges over the lengths of all arithmetic progressions formed from the divisors of n (with at least two distinct terms each); a(1) = 2 by convention.

Table of values

List of values