Number of 3-step king-knight's tours (piece capable of both kinds of moves) on an n X n board summed over all starting positions.

A187851

Number of 3-step king-knight's tours (piece capable of both kinds of moves) on an n X n board summed over all starting positions.

Terms

    a(0) =0a(1) =24a(2) =304a(3) =1056a(4) =2312a(5) =4048a(6) =6264a(7) =8960a(8) =12136a(9) =15792a(10) =19928a(11) =24544a(12) =29640a(13) =35216a(14) =41272a(15) =47808a(16) =54824a(17) =62320a(18) =70296a(19) =78752a(20) =87688a(21) =97104a(22) =107000a(23) =117376a(24) =128232a(25) =139568a(26) =151384a(27) =163680a(28) =176456a(29) =189712

External references