A069063 Composite k such that A029939(k) > k*(k+1)/2 where A029939(k) = Sum_{d|k} phi(d)^2.

25, 49, 55, 65, 69, 77, 85, 87, 91, 93, 95, 111, 115, 119, 121, 123, 125, 129, 133, 141, 143, 145, 155, 159, 161, 169, 175, 177, 183, 185, 187, 201, 203, 205, 209, 213, 215, 217, 219, 221, 235, 237, 245, 247, 249, 253, 259, 265, 267, 275, 287, 289, 291, 295

Offset: 1

Author

Benoit Cloitre, Apr 04 2002

Keywords

• easy
• nonn

Crossrefs

Cf. A029939.