Number of 3-step one or two collinear space at a time queen's tours on an n X n board summed over all starting positions.

A187028

Number of 3-step one or two collinear space at a time queen's tours on an n X n board summed over all starting positions.

Terms

    a(0) =0a(1) =24a(2) =296a(3) =1008a(4) =2232a(5) =3936a(6) =6120a(7) =8784a(8) =11928a(9) =15552a(10) =19656a(11) =24240a(12) =29304a(13) =34848a(14) =40872a(15) =47376a(16) =54360a(17) =61824a(18) =69768a(19) =78192a(20) =87096a(21) =96480a(22) =106344a(23) =116688a(24) =127512a(25) =138816a(26) =150600a(27) =162864a(28) =175608

External references