A202746 Number of 5 X n 0..1 arrays with row sums equal and column sums unequal to adjacent columns.
2, 32, 282, 5092, 75302, 1375912, 24620522, 472929952, 9181463302, 183977062692, 3737085533882
Offset: 1
Keywords
Examples
Some solutions for n=5 ..0..1..1..1..0....1..0..0..1..1....1..0..1..1..0....1..0..1..0..1 ..1..0..1..0..1....1..0..0..1..1....1..1..0..1..0....1..0..1..1..0 ..0..1..1..1..0....0..1..1..0..1....1..0..1..0..1....1..1..0..0..1 ..0..0..1..1..1....1..0..0..1..1....1..0..0..1..1....1..0..1..0..1 ..0..1..1..1..0....0..0..1..1..1....1..0..0..1..1....1..1..1..0..0
Crossrefs
Cf. A202742.
Comments