A058178 - OEIS

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A058178

Triangle: Self-converse quasigroups of order n with k idempotents.

0

1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 3, 6, 2, 1, 1, 16, 34, 14, 11, 4, 2, 858, 1453, 854, 500, 174, 38, 6

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

0,11

LINKS

Table of n, a(n) for n=0..27.

Index entries for sequences related to quasigroups

EXAMPLE

1; 0,1; 0,1,0; 1,1,0,1; 3,6,2,1,1; ...

CROSSREFS

Row sums give A057993.

Sequence in context: A221705 A332505 A303864 * A058078 A016551 A238555

Adjacent sequences: A058175 A058176 A058177 * A058179 A058180 A058181

KEYWORD

nonn,tabl,more

AUTHOR

Christian G. Bower, Nov 20 2000

STATUS

approved