Number of n X 1 0..1 arrays with the number of 1's king-move adjacent to some 0 one less than the number of 0's adjacent to some 1.

A284449

Number of n X 1 0..1 arrays with the number of 1's king-move adjacent to some 0 one less than the number of 0's adjacent to some 1.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =1a(4) =2a(5) =6a(6) =12a(7) =28a(8) =56a(9) =119a(10) =236a(11) =481a(12) =950a(13) =1902a(14) =3752a(15) =7450a(16) =14684a(17) =29032a(18) =57192a(19) =112850a(20) =222308a(21) =438359a(22) =863808a(23) =1703239a(24) =3357766a(25) =6622471a(26) =13061980a(27) =25772503a(28) =50859826a(29) =100399602

External references