Number of permutations of order n with the length of longest run equal to 5.
A001253
Number of permutations of order n with the length of longest run equal to 5.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =2a(5) =20a(6) =198a(7) =2048a(8) =22468a(9) =264538a(10) =3340962a(11) =45173518a(12) =652209564a(13) =10024669626a(14) =163546399460
External references
- oeis: A001253