Number of 7 X n 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.
A239991
Number of 7 X n 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.
Terms
- a(0) =15a(1) =208a(2) =4113a(3) =70107a(4) =1174822a(5) =16721012a(6) =226886115a(7) =2823199343a(8) =33074332722a(9) =366468588411
External references
- oeis: A239991