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A058137
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Triangle: Monoids of order n with k idempotents.
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2
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1, 1, 1, 1, 3, 3, 2, 9, 14, 10, 1, 32, 63, 86, 46, 2, 219, 406, 694, 665, 251, 1, 5585, 3331, 6343, 8582, 6035, 1682, 5
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,5
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LINKS
| Index entries for sequences related to monoids
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EXAMPLE
| 1; 1,1; 1,3,3; 2,9,14,10; 1,32,63,86,46; ...
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CROSSREFS
| Row sums give A058129. Main diagonal: A058112(n-1). Columns 1-3: A000001, A058138, A058139.
Sequence in context: A128504 A193822 A202699 * A164705 A073754 A193229
Adjacent sequences: A058134 A058135 A058136 * A058138 A058139 A058140
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KEYWORD
| nonn,tabl,more
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AUTHOR
| Christian G. Bower (bowerc(AT)usa.net), Nov 14 2000
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