Number of nX2 0..3 arrays with no element equal to the sum modulo 4 of elements to its left or elements above it.
A238769
Number of nX2 0..3 arrays with no element equal to the sum modulo 4 of elements to its left or elements above it.
Terms
- a(0) =6a(1) =30a(2) =156a(3) =810a(4) =4106a(5) =21132a(6) =108124a(7) =553828a(8) =2837376a(9) =14532678a(10) =74442728a(11) =381318484a(12) =1953232394a(13) =10005076766a(14) =51249191766a(15) =262514541710
External references
- oeis: A238769