A065958 - cp's OEIS frontend

A065958 a(n) = n^2*Product_{distinct primes p dividing n} (1+1/p^2).

n	a(n)
1	1
2	5
3	10
4	20
5	26
6	50
7	50
8	80
9	90
10	130
11	122
12	200
13	170
14	250
15	260
16	320
17	290
18	450
19	362
20	520
21	500
22	610
23	530
24	800
25	650
26	850
27	810
28	1000
29	842
30	1300
31	962
32	1280
33	1220
34	1450
35	1300
36	1800
37	1370
38	1810
39	1700
40	2080
41	1682
42	2500
43	1850
44	2440
45	2340
46	2650
47	2210

[1, 5, 10, 20, 26, 50, 50, 80, 90, 130, 122, 200, 170, 250, 260, 320, 290, 450, 362, 520, 500, 610, 530, 800, 650, 850, 810, 1000, 842, 1300, 962, 1280, 1220, 1450, 1300, 1800, 1370, 1810, 1700, 2080, 1682, 2500, 1850, 2440, 2340, 2650, 2210]

cp's OEIS Frontend

A065958 a(n) = n^2*Product_{distinct primes p dividing n} (1+1/p^2).

Table of values

List of values