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A058827 Totients which are not cototients. 1
10, 52, 58, 100, 116, 130, 172, 222, 232, 260, 268, 292, 310, 344, 346, 366, 372, 466, 490, 520, 536, 546, 562, 580, 584, 652, 688, 732, 772, 786, 808, 906, 932, 940, 980, 1018, 1038, 1068, 1072, 1108, 1160, 1168, 1192, 1210, 1300, 1332, 1360, 1372, 1376 (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(noncototients=A005278, A002202=totients).

EXAMPLE

10, the smallest noncototient number, is the totient of 11.

CROSSREFS

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

Sequence in context: A219573 A135242 A041186 * A232909 A028994 A257042

Adjacent sequences:  A058824 A058825 A058826 * A058828 A058829 A058830

KEYWORD

nonn

AUTHOR

Labos Elemer, Jan 04 2001

EXTENSIONS

More terms from Don Reble, Nov 28 2001

Offset corrected by Donovan Johnson, Nov 17 2013

STATUS

approved

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Last modified June 13 00:04 EDT 2021. Contains 344980 sequences. (Running on oeis4.)