Number of (n+2)X(2+2) 0..1 arrays with each row and column divisible by 7, read as a binary number with top and left being the most significant bits.

A262314

Number of (n+2)X(2+2) 0..1 arrays with each row and column divisible by 7, read as a binary number with top and left being the most significant bits.

Terms

    a(0) =3a(1) =5a(2) =9a(3) =27a(4) =61a(5) =145a(6) =435a(7) =1253a(8) =3593a(9) =10779a(10) =32445a(11) =96881a(12) =290643a(13) =875365a(14) =2627721a(15) =7883163a(16) =23685949a(17) =71096657a(18) =213289971a(19) =640160485a(20) =1920877321a(21) =5762631963a(22) =17289819325a(23) =51872540977a(24) =155617622931a(25) =466863471461

External references