Total number of occurrences of 6 in the (signed) displacement sets of all permutations of [n+6] divided by 6!.
A324356
Total number of occurrences of 6 in the (signed) displacement sets of all permutations of [n+6] divided by 6!.
Terms
- a(0) =0a(1) =1a(2) =13a(3) =148a(4) =1707a(5) =20686a(6) =266321a(7) =3652608a(8) =53339831a(9) =827870338a(10) =13624599309a(11) =237169578724
External references
- oeis: A324356