Number of nX3 0..1 arrays with every element unequal to 1, 2, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

A316752

Number of nX3 0..1 arrays with every element unequal to 1, 2, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =9a(2) =15a(3) =17a(4) =79a(5) =185a(6) =315a(7) =970a(8) =2366a(9) =4927a(10) =12747a(11) =31483a(12) =71152a(13) =174182a(14) =426352a(15) =999419a(16) =2406348a(17) =5836950a(18) =13890672a(19) =33315051a(20) =80359905a(21) =192347104a(22) =461162125a(23) =1109224787a(24) =2660354703a(25) =6380696205a(26) =15327646223a(27) =36784405441a(28) =88255373344

External references