Number of nX2 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of elements above it, modulo 4.
A239334
Number of nX2 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of elements above it, modulo 4.
Terms
- a(0) =5a(1) =31a(2) =172a(3) =926a(4) =5078a(5) =27861a(6) =152260a(7) =832207a(8) =4550810a(9) =24881731a(10) =136029644a(11) =743697760a(12) =4065948624a(13) =22229220072a(14) =121530709245a(15) =664428372582
External references
- oeis: A239334