A263122 Number of (n+3)X(4+3) 0..1 arrays with each row divisible by 15 and column not divisible by 15, read as a binary number with top and left being the most significant bits.
912, 28048, 316392, 3049840, 16751376, 216762400, 2168966344, 20154887792, 138240703248, 1449388911184, 14047136614696, 130631050676464, 1009951152099984, 9665650741329760, 91463371579618312, 848124382235101936
Offset: 1
Keywords
Examples
Some solutions for n=2 ..1..1..0..1..0..0..1....0..0..1..1..1..1..0....0..0..0..0..0..0..0 ..1..1..1..1..0..0..0....1..1..1..1..0..0..0....0..1..1..1..1..0..0 ..0..0..0..1..1..1..1....0..0..1..1..1..1..0....1..1..1..1..0..0..0 ..1..1..0..1..0..0..1....0..1..0..1..1..0..1....1..0..0..1..0..1..1 ..1..0..0..1..0..1..1....0..1..1..1..1..0..0....0..0..0..0..0..0..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Crossrefs
Cf. A263124.
Comments