A280131 - cp's OEIS frontend

A280131 Partial sums of A029940 (Product_{d|n} phi(d)).

n	a(n)
1	1
2	2
3	4
4	6
5	10
6	14
7	20
8	28
9	40
10	56
11	66
12	98
13	110
14	146
15	210
16	274
17	290
18	434
19	452
20	708
21	852
22	952
23	974
24	1998
25	2078
26	2222
27	2438
28	3302
29	3330
30	7426
31	7456
32	8480
33	8880
34	9136
35	9712
36	23536
37	23572
38	23896
39	24472
40	40856
41	40896
42	61632
43	61674
44	65674
45	74890
46	75374
47	75420

[1, 2, 4, 6, 10, 14, 20, 28, 40, 56, 66, 98, 110, 146, 210, 274, 290, 434, 452, 708, 852, 952, 974, 1998, 2078, 2222, 2438, 3302, 3330, 7426, 7456, 8480, 8880, 9136, 9712, 23536, 23572, 23896, 24472, 40856, 40896, 61632, 61674, 65674, 74890, 75374, 75420]

cp's OEIS Frontend

A280131 Partial sums of A029940 (Product_{d|n} phi(d)).

Table of values

List of values