A058826 Even cototient numbers which are nontotients.

14, 38, 62, 68, 74, 76, 90, 94, 98, 114, 118, 124, 142, 152, 158, 174, 182, 188, 194, 214, 230, 234, 236, 242, 246, 248, 254, 258, 278, 284, 286, 302, 304, 308, 314, 318, 322, 334, 338, 350, 354, 364, 370, 374, 376, 390, 398, 402, 406, 410, 414, 422, 426

Offset

1,1

Links

Donovan Johnson, Table of n, a(n) for n = 1..10000

Formula

Intersection(A058817, A005277).

Example

14 is a nontotient number but it is cototient of 26: 14 = 26 - phi(26).

Crossrefs

Cf. A000010, A051953, A005277, A005278, A002020, A058763, A058817.

Sequence in context: A216766 A057439 A256560 * A142241 A186121 A231391

Adjacent sequences: A058823 A058824 A058825 * A058827 A058828 A058829

Keyword

nonn

Author

Labos Elemer, Jan 04 2001

Status

approved