Number of ways to place 6 nonattacking bishops on an n X n board.
A176886
Number of ways to place 6 nonattacking bishops on an n X n board.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =16a(4) =1960a(5) =53744a(6) =692320a(7) =5599888a(8) =33001664a(9) =154215760a(10) =603563504a(11) =2052729728a(12) =6229649352a(13) =17202203680a(14) =43870041520a(15) =104531112928a(16) =234870173248a(17) =501360888160
External references
- oeis: A176886