Number of 7-step one space for components leftwards or up, two space for components rightwards or down asymmetric quasi-bishop's tours (antidiagonal moves become knight moves) on an n X n board summed over all starting positions.
A187611
Number of 7-step one space for components leftwards or up, two space for components rightwards or down asymmetric quasi-bishop'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) =0a(3) =0a(4) =48a(5) =616a(6) =2936a(7) =8530a(8) =17611a(9) =32086a(10) =51955a(11) =76258a(12) =105978a(13) =140386a(14) =179482a(15) =223266a(16) =271738a(17) =324898a(18) =382746a(19) =445282a(20) =512506a(21) =584418a(22) =661018a(23) =742306a(24) =828282a(25) =918946a(26) =1014298a(27) =1114338a(28) =1219066a(29) =1328482
External references
- oeis: A187611