A185850 Number of (n+1)X4 0..2 arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum

4942, 215880, 9546820, 420747588, 18568306790, 819214742920, 36143110498108, 1594644874059338, 70355414648197380, 3104075384423428424, 136951543370749607236, 6042289278001964152190, 266585265866372137151978

Offset

1,1

Comments

Column 3 of A185856

Links

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

Example

Some solutions for 3X4
..0..1..0..2....0..2..1..2....0..1..0..2....1..0..1..2....0..1..1..0
..0..1..2..2....1..1..1..0....2..1..2..1....2..0..2..0....2..2..2..2
..1..1..0..1....1..0..0..1....1..2..1..0....0..1..0..1....0..0..1..1

Crossrefs

Sequence in context: A091878 A015357 A241934 * A260939 A188547 A037044

Adjacent sequences: A185847 A185848 A185849 * A185851 A185852 A185853

Keyword

nonn

Author

R. H. Hardin Feb 05 2011

Status

approved