Number of nX2 0..1 arrays with no 1 equal to more than one of its king-move neighbors, with the exception of exactly two elements.

A282832

Number of nX2 0..1 arrays with no 1 equal to more than one of its king-move neighbors, with the exception of exactly two elements.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =16a(4) =32a(5) =144a(6) =544a(7) =1664a(8) =5664a(9) =17968a(10) =56096a(11) =174576a(12) =533504a(13) =1618432a(14) =4870464a(15) =14545488a(16) =43184928a(17) =127499856a(18) =374584288a(19) =1095687296a(20) =3192166752a(21) =9266416752a(22) =26810232864a(23) =77333818800a(24) =222445402560a(25) =638195965440

External references