Number of 4-step one space for components leftwards or up, two space for components rightwards or down asymmetric quasi-queen's tours (antidiagonal moves become knight moves) on an n X n board summed over all starting positions.
A187859
Number of 4-step one space for components leftwards or up, two space for components rightwards or down asymmetric quasi-queen's tours (antidiagonal moves become knight moves) on an n X n board summed over all starting positions.
Terms
- a(0) =0a(1) =0a(2) =216a(3) =968a(4) =2754a(5) =5428a(6) =9237a(7) =14040a(8) =19837a(9) =26628a(10) =34413a(11) =43192a(12) =52965a(13) =63732a(14) =75493a(15) =88248a(16) =101997a(17) =116740a(18) =132477a(19) =149208a(20) =166933a(21) =185652a(22) =205365a(23) =226072a(24) =247773a(25) =270468a(26) =294157a(27) =318840a(28) =344517a(29) =371188
External references
- oeis: A187859