A058151 - OEIS

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A058151

Triangle: Number of asymmetric self-converse monoids of order n with k idempotents.

0

1, 1, 1, 0, 3, 1, 0, 6, 6, 1, 0, 12, 25, 15, 2, 0, 62, 105, 104, 45, 6, 0, 676, 562, 658, 457, 168, 24, 0

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

OFFSET

1,5

LINKS

Table of n, a(n) for n=1..29.

Index entries for sequences related to monoids

EXAMPLE

1; 1,1; 0,3,1; 0,6,6,1; 0,12,25,15,2; ...

CROSSREFS

Row sums give A058135.

Sequence in context: A004590 A206294 A058150 * A257673 A137651 A248826

Adjacent sequences: A058148 A058149 A058150 * A058152 A058153 A058154

KEYWORD

nonn,tabl,more

AUTHOR

Christian G. Bower, Nov 14 2000

STATUS

approved