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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.
0
1, 1, 1, 1, 2, 24, 8437, 48615649
OFFSET
1,5
CROSSREFS
Sequence in context: A342573 A203465 A055462 * A066120 A152687 A062716
KEYWORD
nonn,more
AUTHOR
Juergen Buntrock (jubu(AT)eule.in-berlin.de), Nov 17 2003
STATUS
approved