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A249552 Numbers n such that there are precisely 9 groups of order n. 16
308, 532, 644, 836, 868, 1316, 1364, 1652, 1748, 1815, 1876, 1892, 2068, 2212, 2324, 2356, 2596, 2852, 2884, 2996, 3124, 3268, 3476, 3572, 3652, 3668, 3892, 3956, 4228, 4263, 4484, 4532, 4564, 4676, 4708, 5012, 5092, 5332, 5348, 5396, 5428, 5572, 5588, 5764, 5828, 6004, 6116, 6164, 6244, 6308, 6356, 6532 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Muniru A Asiru, Table of n, a(n) for n = 1..4509

Index entries for sequences related to groups

MAPLE

select(t -> GroupTheory:-NumAbelianGroups(t) <= 9 and GroupTheory:-NumGroups(t) = 9, [$1..10000]); # Robert Israel, Mar 26 2018

PROG

(GAP) A249552:=Filtered([1..2015], n->NumberSmallGroups(n)=9); # Muniru A Asiru, Nov 17 2017

CROSSREFS

Cf. A000001, A003277, A054395, A055561, A054396, A054397, A135850, A249550, A249551, A249552, A249553, A249554, A249555.

Sequence in context: A234030 A118843 A224675 * A237457 A234211 A053172

Adjacent sequences:  A249549 A249550 A249551 * A249553 A249554 A249555

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Nov 01 2014

EXTENSIONS

a(13)-a(16) from Muniru A Asiru, Oct 21 2017

More terms from Muniru A Asiru, Oct 23 2017

More terms from Muniru A Asiru, Nov 17 2017

STATUS

approved

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Last modified November 17 20:50 EST 2018. Contains 317278 sequences. (Running on oeis4.)