Number of nX3 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4.
A240372
Number of nX3 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4.
Terms
- a(0) =4a(1) =21a(2) =75a(3) =450a(4) =1729a(5) =7233a(6) =36148a(7) =139855a(8) =645733a(9) =2919837a(10) =11900426a(11) =55182313a(12) =238587617a(13) =1020077489a(14) =4627613220a(15) =19831142375a(16) =86874931360a(17) =386104242606
External references
- oeis: A240372