Number of permutations of an n-sequence discordant with three given permutations (see reference) in n-5 places.

A000470

Number of permutations of an n-sequence discordant with three given permutations (see reference) in n-5 places.

Terms

    a(0) =13a(1) =72a(2) =595a(3) =4096a(4) =39078a(5) =379760a(6) =4181826a(7) =49916448a(8) =647070333a(9) =9035216428a(10) =135236990388

External references