Number of ways of placing k non-attacking wazirs on a 3 X n board, where k is chosen so as to maximize this number.
A371979
Number of ways of placing k non-attacking wazirs on a 3 X n board, where k is chosen so as to maximize this number.
Terms
- a(0) =1a(1) =3a(2) =8a(3) =24a(4) =84a(5) =276a(6) =880a(7) =3063a(8) =10692a(9) =36257a(10) =121580a(11) =436847a(12) =1530534a(13) =5259906a(14) =18389910a(15) =65748491a(16) =230935493a(17) =799429185a(18) =2860613606a(19) =10203350814a(20) =35899202776a(21) =125660232367a(22) =453360413253
External references
- oeis: A371979