Number of nX4 0..1 arrays with every element unequal to 0, 1 or 3 king-move adjacent elements, with upper left element zero.

A303678

Number of nX4 0..1 arrays with every element unequal to 0, 1 or 3 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =5a(1) =17a(2) =15a(3) =28a(4) =44a(5) =64a(6) =90a(7) =132a(8) =204a(9) =312a(10) =466a(11) =688a(12) =1024a(13) =1540a(14) =2318a(15) =3472a(16) =5184a(17) =7748a(18) =11606a(19) =17396a(20) =26052a(21) =38984a(22) =58338a(23) =87340a(24) =130788a(25) =195824a(26) =293146a(27) =438824a(28) =656952a(29) =983564

External references