Number of n X 3 0..1 arrays with every element unequal to 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.

A305484

Number of n X 3 0..1 arrays with every element unequal to 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =14a(2) =19a(3) =27a(4) =137a(5) =295a(6) =570a(7) =2026a(8) =4727a(9) =10623a(10) =31695a(11) =77554a(12) =186678a(13) =514389a(14) =1288865a(15) =3207903a(16) =8513828a(17) =21596662a(18) =54628207a(19) =142471209a(20) =363676271a(21) =927239206a(22) =2398775556a(23) =6143042745a(24) =15724343029a(25) =40529736309a(26) =103968954572a(27) =266660435630

External references