Number of n X 1 0..3 arrays with no element equal to the sum modulo 4 of elements to its left or elements above it.

A238768

Number of n X 1 0..3 arrays with no element equal to the sum modulo 4 of elements to its left or elements above it.

Terms

    a(0) =3a(1) =6a(2) =14a(3) =32a(4) =72a(5) =164a(6) =372a(7) =844a(8) =1916a(9) =4348a(10) =9868a(11) =22396a(12) =50828a(13) =115356a(14) =261804a(15) =594172a(16) =1348492a(17) =3060444a(18) =6945772a(19) =15763644a(20) =35776076a(21) =81194908a(22) =184274348a(23) =418216316a(24) =949154828a(25) =2154136156a(26) =4888878444a(27) =11095460412a(28) =25181489612

External references