Number of 3Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it, modulo 4.
A239407
Number of 3Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it, modulo 4.
Terms
- a(0) =12a(1) =129a(2) =1337a(3) =13977a(4) =144762a(5) =1504399a(6) =15591122a(7) =161801518a(8) =1677624003a(9) =17403195529a(10) =180479056305
External references
- oeis: A239407