Number of n X 3 0..2 arrays with no element equal to the sum of elements to its left or one plus the sum of elements above it, modulo 3.

A239025

Number of n X 3 0..2 arrays with no element equal to the sum of elements to its left or one plus the sum of elements above it, modulo 3.

Terms

    a(0) =1a(1) =4a(2) =7a(3) =28a(4) =54a(5) =212a(6) =428a(7) =1652a(8) =3410a(9) =13004a(10) =27158a(11) =102740a(12) =215998a(13) =812892a(14) =1715842a(15) =6435860a(16) =13618366a(17) =50970780a(18) =108022954a(19) =403751540a(20) =856522206a(21) =3198552316a(22) =6789722794a(23) =25340854612a(24) =53813984430a(25) =200773770908a(26) =426474521338

External references