Number of 5-step E, S, NW and NE-moving king's tours on an n X n board summed over all starting positions.
A187588
Number of 5-step E, S, NW and NE-moving king's tours on an n X n board summed over all starting positions.
Terms
- a(0) =0a(1) =0a(2) =106a(3) =578a(4) =1484a(5) =2794a(6) =4508a(7) =6626a(8) =9148a(9) =12074a(10) =15404a(11) =19138a(12) =23276a(13) =27818a(14) =32764a(15) =38114a(16) =43868a(17) =50026a(18) =56588a(19) =63554a(20) =70924a(21) =78698a(22) =86876a(23) =95458a(24) =104444a(25) =113834a(26) =123628a(27) =133826a(28) =144428a(29) =155434
External references
- oeis: A187588