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A068385 Number of groups of order n that are not 2-generated. 1
0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 5, 0, 1, 0, 0, 0, 0, 0, 2, 0, 0, 1, 0, 0, 0, 0, 31, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 17, 0, 1, 0, 0, 0, 5, 0, 2, 0, 0, 0, 0, 0, 0, 0, 213, 0, 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, 17, 5, 0, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,16

LINKS

Eric M. Schmidt, Table of n, a(n) for n = 1..1023

FORMULA

a(n) = A000001(n) - A066389(n).

CROSSREFS

Cf. A000001, A066389.

Sequence in context: A221240 A113038 A082512 * A318657 A286277 A225749

Adjacent sequences:  A068382 A068383 A068384 * A068386 A068387 A068388

KEYWORD

nonn

AUTHOR

Yuval Dekel (dekelyuval(AT)hotmail.com), Jun 06 2003

EXTENSIONS

More terms from Eric M. Schmidt, May 02 2013

STATUS

approved

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Last modified January 20 17:19 EST 2022. Contains 350472 sequences. (Running on oeis4.)