login
A202737
Number of nX3 0..1 arrays with row sums equal and column sums unequal to adjacent columns
1
2, 6, 38, 86, 282, 1074, 2802, 8694, 30170, 82286, 251682, 837026, 2336882, 7101030, 23060898, 65306934, 197740602, 632536014, 1808535522, 5464051326, 17297449410, 49797577110, 150233445162, 471996750978, 1365869873682, 4116478752054
OFFSET
1,1
COMMENTS
Column 3 of A202742
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1....1..1..0....1..0..1....0..0..1....0..1..1....1..1..0....0..0..1
..0..1..1....0..1..1....0..1..1....0..0..1....1..1..0....1..1..0....0..0..1
..1..1..0....1..1..0....1..0..1....0..0..1....0..1..1....0..1..1....1..0..0
..0..1..1....1..1..0....1..0..1....0..1..0....1..1..0....0..1..1....0..0..1
..1..1..0....0..1..1....1..1..0....0..0..1....1..0..1....0..1..1....1..0..0
CROSSREFS
Sequence in context: A113375 A117266 A259437 * A186648 A372309 A013033
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 23 2011
STATUS
approved