T(n,k)=Number of nXk 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it, modulo 4.

A239819

T(n,k)=Number of nXk 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it, modulo 4.

Terms

    a(0) =2a(1) =4a(2) =5a(3) =10a(4) =23a(5) =11a(6) =24a(7) =132a(8) =113a(9) =25a(10) =56a(11) =729a(12) =1480a(13) =582a(14) =57a(15) =132a(16) =3951a(17) =18728a(18) =17552a(19) =2981a(20) =129a(21) =312a(22) =21602a(23) =232272a(24) =510748a(25) =204779a(26) =15266a(27) =293a(28) =736a(29) =118253

External references