Number of 3-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.
A187858
Number of 3-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) =2a(2) =81a(3) =254a(4) =578a(5) =1030a(6) =1610a(7) =2318a(8) =3154a(9) =4118a(10) =5210a(11) =6430a(12) =7778a(13) =9254a(14) =10858a(15) =12590a(16) =14450a(17) =16438a(18) =18554a(19) =20798a(20) =23170a(21) =25670a(22) =28298a(23) =31054a(24) =33938a(25) =36950a(26) =40090a(27) =43358a(28) =46754a(29) =50278
External references
- oeis: A187858