1/256 the number of permutations of 0..n having exactly 5 maxima.
A130661
1/256 the number of permutations of 0..n having exactly 5 maxima.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =31a(9) =1382a(10) =35396a(11) =686044a(12) =11204160a(13) =163014240a(14) =2184175040a(15) =27534645760a(16) =331417960960
External references
- oeis: A130661