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

A187156

Number of 3-step one 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) =20a(3) =64a(4) =132a(5) =224a(6) =340a(7) =480a(8) =644a(9) =832a(10) =1044a(11) =1280a(12) =1540a(13) =1824a(14) =2132a(15) =2464a(16) =2820a(17) =3200a(18) =3604a(19) =4032a(20) =4484a(21) =4960a(22) =5460a(23) =5984a(24) =6532a(25) =7104a(26) =7700a(27) =8320a(28) =8964a(29) =9632

External references