Number of ways to place 5 nonattacking wazirs on a 5 X n board.

Terms

a(0) =0a(1) =2a(2) =174a(3) =1998a(4) =10741a(5) =38438a(6) =107004a(7) =251354a(8) =522528a(9) =990816a(10) =1748883a(11) =2914894a(12) =4635639a(13) =7089658a(14) =10490366a(15) =15089178a(16) =21178634a(17) =29095524a(18) =39224013a(19) =51998766