Number of permutations p of {1,2,...,n} such that p(i)-i not in {-1,0,1,2}.
A292574
Number of permutations p of {1,2,...,n} such that p(i)-i not in {-1,0,1,2}.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =6a(7) =58a(8) =499a(9) =4814a(10) =50284a(11) =572228a(12) =7050770a(13) =93637691a(14) =1334156612a(15) =20308818956a(16) =329025006637
External references
- oeis: A292574