Number of length n arrays of permutations of 0..n-1 with each element moved by -7 to 7 places and exactly two more elements moved upwards than downwards.
A263786
Number of length n arrays of permutations of 0..n-1 with each element moved by -7 to 7 places and exactly two more elements moved upwards than downwards.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =5a(5) =66a(6) =392a(7) =4859a(8) =26994a(9) =232208a(10) =1161998a(11) =8246455a(12) =41787717a(13) =274395962a(14) =1457963344a(15) =9504972075a(16) =53127306403a(17) =343749866061
External references
- oeis: A263786