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A058140 Triangle read by rows: number of asymmetric monoids of order n with k idempotents. 2

%I #10 May 22 2015 07:45:09

%S 1,1,1,0,3,1,0,6,10,3,0,14,47,55,12,0,124,267,490,395,68,0,4510,2230,

%T 4460,5971,3324,502,0

%N Triangle read by rows: number of asymmetric monoids of order n with k idempotents.

%H <a href="/index/Mo#monoids">Index entries for sequences related to monoids</a>

%e 1;

%e 1,1;

%e 0,3,1;

%e 0,6,10,3;

%e 0,14,47,55,12;

%e ...

%Y Row sums give A058130. Main diagonal: A058115(n-1). Column 2: A058141.

%K nonn,tabl,more

%O 1,5

%A _Christian G. Bower_, Nov 14 2000

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Last modified May 18 07:16 EDT 2024. Contains 372618 sequences. (Running on oeis4.)