A239653 Number of 5Xn 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, modulo 4

50, 2874, 158728, 8634040, 471203608, 25594620082, 1393740949524, 75771817108924, 4123656581299810, 224277326338407636, 12202934653709078564, 663797011286508892758, 36113966969053403996390, 1964591618175666103412114

Offset

1,1

Comments

Row 5 of A239649

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=3
..1..0..3....1..0..0....1..0..3....1..0..3....3..1..1....3..0..0....1..0..3
..2..3..0....1..3..3....1..3..2....2..1..2....3..2..0....3..1..1....2..3..3
..3..2..0....2..0..0....2..0..1....2..1..2....2..3..2....3..0..1....3..0..1
..1..0..3....3..2..0....1..3..3....2..3..0....1..2..2....1..0..3....1..3..2
..3..2..3....2..0..0....2..1..0....2..0..3....1..3..2....1..2..1....3..1..1

Crossrefs

Sequence in context: A097838 A203842 A251058 * A223661 A224111 A047683

Adjacent sequences: A239650 A239651 A239652 * A239654 A239655 A239656

Keyword

nonn

Author

R. H. Hardin, Mar 23 2014

Status

approved