Number of closed knight's tours in the first 2n cells of a 7 X ceiling(2n/7) board.
A383663
Number of closed knight's tours in the first 2n cells of a 7 X ceiling(2n/7) board.
Terms
- a(0) =2a(1) =11a(2) =58a(3) =0a(4) =21a(5) =1020a(6) =9309a(7) =1481a(8) =34162a(9) =1295034a(10) =1067638a(11) =2213327a(12) =50139185a(13) =682189688a(14) =144994543a(15) =2607067351a(16) =53099426601a(17) =34524432316a(18) =57716933870
External references
- oeis: A383663