Number of 9-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.
A187864
Number of 9-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) =414a(3) =124880a(4) =2090520a(5) =9934272a(6) =29607932a(7) =65963326a(8) =123580937a(9) =204771252a(10) =310971475a(11) =441931786a(12) =597915172a(13) =777662238a(14) =981570648a(15) =1208872830a(16) =1459728029a(17) =1734003242a(18) =2031698469a(19) =2352813710a(20) =2697348965a(21) =3065304234a(22) =3456679517
External references
- oeis: A187864