Maximum number of chess queens of 3 colors on an n X n board such that no queen attacks or protects another queen of its color.
A006317
Maximum number of chess queens of 3 colors on an n X n board such that no queen attacks or protects another queen of its color.
Terms
- a(0) =1a(1) =3a(2) =7a(3) =12a(4) =19a(5) =27a(6) =37a(7) =46a(8) =58a(9) =71a(10) =86a(11) =102a(12) =121a(13) =137a(14) =157a(15) =178a(16) =201a(17) =225a(18) =253a(19) =276a(20) =304a(21) =334a(22) =364
External references
- oeis: A006317