Number of preferential arrangements of n labeled elements such that the minimal number of elements per rank equals 8.
A245861
Number of preferential arrangements of n labeled elements such that the minimal number of elements per rank equals 8.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =12870a(9) =48620a(10) =87516a(11) =151164a(12) =251940a(13) =406980a(14) =639540a(15) =980628a(16) =9466982712a(17) =78881427900a(18) =432962644400
External references
- oeis: A245861