Number of preferential arrangements of n labeled elements when at least k=9 elements per rank are required.

A245794

Number of preferential arrangements of n labeled elements when at least k=9 elements per rank are required.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =1a(10) =1a(11) =1a(12) =1a(13) =1a(14) =1a(15) =1a(16) =1a(17) =1a(18) =48621a(19) =184757a(20) =520677a(21) =1293293a(22) =2993565a(23) =6626669a(24) =14233965a(25) =29938871a(26) =62040891a(27) =228000637831

External references