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Number of pointed (distinguished element) commutative groupoids.
1

%I #11 Dec 19 2015 09:50:05

%S 1,8,369,175296,1271911125,182810647581408,638870563764553089382,

%T 64388603066507462072885127552,

%U 216467350495255331602790475962162008809,27557319224243445068662283861406911750848082900080

%N Number of pointed (distinguished element) commutative groupoids.

%H <a href="/index/Gre#groupoids">Index entries for sequences related to groupoids</a>

%Y Cf. A001329, A001425.

%K nonn

%O 1,2

%A _Christian G. Bower_, May 15 1998