The On-Line Encyclopedia of Integer Sequences (OEIS)

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A088600

Number of simple loops with n elements: loops with no real substructure, every subset which is closed under the operation is either {E} or the whole set.
(history; published version)

#6 by Russ Cox at Sun Jul 10 18:37:14 EDT 2011

LINKS

<a href="/Sindx_index/Qua.html#quasigroups">Index entries for sequences related to quasigroups</a>

Discussion

Sun Jul 10

18:37

OEIS Server: https://oeis.org/edit/global/75

#5 by N. J. A. Sloane at Thu Nov 11 07:34:06 EST 2010

LINKS

<a href="/Sindx_Qua.html#quasigroups">Index entries for sequences related to quasigroups</a>

KEYWORD

nonn,more,new

#4 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

LINKS

<a href="http://www.research.att.com/~njas/sequences/Sindx_Qua.html#quasigroups">Index entries for sequences related to quasigroups</a>

KEYWORD

nonn,more,new

#3 by N. J. A. Sloane at Fri Jan 09 03:00:00 EST 2009

KEYWORD

nonn,newmore

#2 by N. J. A. Sloane at Sat Jun 12 03:00:00 EDT 2004

NAME

Simple Number of simple loops with n elements: loops with no real substructure, every subset which is closed under the operation is either {E} or the whole set.

KEYWORD

nonn,new

nonn

#1 by N. J. A. Sloane at Thu Feb 19 03:00:00 EST 2004

NAME

Simple loops with n elements: loops with no real substructure, every subset which is closed under the operation is either {E} or the whole set.

DATA

1, 1, 1, 1, 2, 24, 8437, 48615649

OFFSET

1,5

LINKS

<a href="http://www.research.att.com/~njas/sequences/Sindx_Qua.html#quasigroups">Index entries for sequences related to quasigroups</a>

KEYWORD

nonn

AUTHOR

Juergen Buntrock (jubu(AT)eule.in-berlin.de), Nov 17 2003

STATUS

approved