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A058826 Even cototient numbers which are nontotients. 1
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

FORMULA

Intersection({even cototients}, 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.

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

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Last modified January 25 03:49 EST 2020. Contains 331241 sequences. (Running on oeis4.)