Number of 5-step one space leftwards or up, two space rightwards or down asymmetric rook's tours on an n X n board summed over all starting positions.

A187300

Number of 5-step one space leftwards or up, two space rightwards or down asymmetric rook's tours on an n X n board summed over all starting positions.

Terms

    a(0) =0a(1) =0a(2) =90a(3) =416a(4) =1208a(5) =2400a(6) =4092a(7) =6208a(8) =8766a(9) =11752a(10) =15166a(11) =19008a(12) =23278a(13) =27976a(14) =33102a(15) =38656a(16) =44638a(17) =51048a(18) =57886a(19) =65152a(20) =72846a(21) =80968a(22) =89518a(23) =98496a(24) =107902a(25) =117736a(26) =127998a(27) =138688a(28) =149806a(29) =161352

External references