A078321 - cp's OEIS frontend

A078321 Euler's totient of n*rad(n)+1, where rad = A007947 (squarefree kernel).

n	a(n)
1	1
2	4
3	4
4	6
5	12
6	36
7	20
8	16
9	12
10	100
11	60
12	72
13	64
14	196
15	112
16	20
17	112
18	108
19	180
20	132
21	192
22	384
23	208
24	112
25	36
26	676
27	40
28	260
29	420
30	832
31	432
32	48
33	432
34	1056
35	612
36	180
37	544
38	1088
39	760
40	400
41	812
42	1408
43	720
44	576
45	312
46	2016
47	768
48	272
49	168
50	332
51	1300
52	800
53	1120
54	240

[1, 4, 4, 6, 12, 36, 20, 16, 12, 100, 60, 72, 64, 196, 112, 20, 112, 108, 180, 132, 192, 384, 208, 112, 36, 676, 40, 260, 420, 832, 432, 48, 432, 1056, 612, 180, 544, 1088, 760, 400, 812, 1408, 720, 576, 312, 2016, 768, 272, 168, 332, 1300, 800, 1120, 240]

cp's OEIS Frontend

A078321 Euler's totient of n*rad(n)+1, where rad = A007947 (squarefree kernel).

Table of values

List of values