A263123 Number of (n+3)X(5+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.
52446, 887805, 17782827, 344322375, 6946980030, 113558538589, 2022945129963, 36861501672007, 713132356848318, 12055652684915197
Offset: 1
Keywords
Examples
Some solutions for n=1 ..1..1..1..1..0..0..0..0....1..0..0..0..0..1..1..1....1..1..1..0..0..0..0..1 ..0..1..1..1..1..0..0..0....1..0..1..1..0..1..0..0....0..1..1..1..1..0..0..0 ..0..1..0..1..1..0..1..0....0..0..0..1..1..1..1..0....1..1..0..1..0..0..1..0 ..1..0..0..0..0..1..1..1....0..1..0..1..1..0..1..0....1..0..0..0..0..1..1..1
Crossrefs
Cf. A263124.
Comments