Number of 4-step one or two space at a time bishop's tours on an n X n board summed over all starting positions.

A187048

Number of 4-step one or two space at a time bishop's tours on an n X n board summed over all starting positions.

Terms

    a(0) =0a(1) =0a(2) =24a(3) =272a(4) =1084a(5) =2660a(6) =5032a(7) =8164a(8) =12056a(9) =16708a(10) =22120a(11) =28292a(12) =35224a(13) =42916a(14) =51368a(15) =60580a(16) =70552a(17) =81284a(18) =92776a(19) =105028a(20) =118040a(21) =131812a(22) =146344a(23) =161636a(24) =177688a(25) =194500a(26) =212072a(27) =230404a(28) =249496a(29) =269348

External references