A202568 Number of (n+3)X5 binary arrays with no more than two of any consecutive four bits set in any row or column

56821, 713977, 9145905, 116710359, 1467328435, 18492393187, 233878112373, 2956421289933, 37348720724845, 471748204134829, 5960418808857031, 75308829290550867, 951465403865998335, 12020694152446594231

Offset

1,1

Comments

Column 2 of A202574

Links

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

Example

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

Crossrefs

Sequence in context: A190836 A288076 A031683 * A145685 A333951 A292788

Adjacent sequences: A202565 A202566 A202567 * A202569 A202570 A202571

Keyword

nonn

Author

R. H. Hardin Dec 21 2011

Status

approved