A183850 Number of (n+1)X6 0..3 arrays with each element of every 2X2 subblock being the sum mod 4 of two others

3117, 31767, 310856, 3608259, 40482339, 515409762, 6355114021, 84948077733, 1105084856456, 15097065676125, 202145260814529, 2788105721299106, 37932546061923769, 525522558282998873, 7216077958334209878

Offset

1,1

Comments

Column 5 of A183854

Links

R. H. Hardin, Table of n, a(n) for n = 1..200

Example

Some solutions for 3X6
..2..1..3..1..3..3....3..1..2..3..3..1....2..3..3..1..3..1....0..0..2..0..2..2
..3..1..2..3..2..1....2..3..1..1..2..3....3..1..2..1..2..3....2..2..0..2..0..2
..2..3..1..3..1..3....3..1..2..3..3..1....2..1..3..1..3..1....0..2..2..2..2..2

Crossrefs

Sequence in context: A238513 A357957 A269324 * A002433 A107535 A181285

Adjacent sequences: A183847 A183848 A183849 * A183851 A183852 A183853

Keyword

nonn

Author

R. H. Hardin Jan 07 2011

Status

approved