Number of permutations of 6 indistinguishable copies of 1..n arranged in a circle with exactly 1 local maximum.

A159736

Number of permutations of 6 indistinguishable copies of 1..n arranged in a circle with exactly 1 local maximum.

Terms

    a(0) =12a(1) =126a(2) =1176a(3) =10290a(4) =86436a(5) =705894a(6) =5647152a(7) =44471322a(8) =345888060a(9) =2663338062a(10) =20338217928a(11) =154231485954

External references