no trouble partiton
koh
zbi74583 at boat.zero.ad.jp
Fri Jun 2 05:12:21 CEST 2006
Once I calculated "boys and a girl partition", but naturally it exists on OEIS as A000070.
I suppose if a couple exists in a partition then their parents don't like the partition because a couple may become a trouble.
So, I considered "no trouble sequence" for parents.
I think it is usefull for social science, but I wonder if it is interesting for Mathematics.
%I A000001
%S A000001 1,1,3,5,9,14,23,34
%N A000001 Partitions of {n-1}boys and a girl with no couple.
%e A000001 n=5
If partitions have a pair "o*",then a(5)=12
{o,o,o,o,*},{o,o,*,oo},{o,o,o,o*},{*,oo,oo},{o,oo,o*},
{o,*,ooo},{o,o,oo*},{o*,ooo},{oo,oo*},{*,oooo},{o,ooo*},{oooo*}
"o" means a boy, "*" means a girl.
If partitions have no pair "o*",then a(5)=9
{o,o,o,o,*},{o,o,*,oo},{*,oo,oo},
{o,*,ooo},{o,o,oo*},{oo,oo*},{*,oooo},{o,ooo*},{oooo*}
%Y A000001 A000070
%K A000001 none
%O A000001 1,3
%A A000001 Yasutsohi Kohmoto zbi74583 at boat.zero.ad,jp
Yasutoshi
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