A341940 - cp's OEIS frontend

A341940 Numbers m such that phi(m)*tau(m) is a square but phi(m)/tau(m) is not the square of an integer.

n	a(n)
1	54
2	1026
3	1280
4	2187
5	2304
6	3840
7	4352
8	6750
9	8802
10	9072
11	9900
12	12500
13	13056
14	13718
15	17496
16	18700
17	21870
18	25856
19	36900
20	37500
21	41154
22	41553
23	47682
24	50432
25	56100
26	57078
27	65792
28	69700
29	77568
30	78786
31	79200
32	84240
33	100000
34	102656
35	103586
36	111100
37	117666
38	125712

[54, 1026, 1280, 2187, 2304, 3840, 4352, 6750, 8802, 9072, 9900, 12500, 13056, 13718, 17496, 18700, 21870, 25856, 36900, 37500, 41154, 41553, 47682, 50432, 56100, 57078, 65792, 69700, 77568, 78786, 79200, 84240, 100000, 102656, 103586, 111100, 117666, 125712]

cp's OEIS Frontend

A341940 Numbers m such that phi(m)*tau(m) is a square but phi(m)/tau(m) is not the square of an integer.

Table of values

List of values