A263125 Number of (1+3)X(n+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.
14, 36, 168, 912, 52446, 502800, 5950176, 79674864, 1150876510, 15833668596, 219803283432, 3071596572336, 43104942680030, 602744107942848, 8433329018112000, 118048179597057360, 1652891095755395934
Offset: 1
Keywords
Examples
Some solutions for n=4 ..1..0..0..1..0..1..1....0..0..0..1..1..1..1....1..1..1..1..0..0..0 ..0..0..1..1..1..1..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0 ..0..0..0..0..0..0..0....1..0..0..1..0..1..1....1..1..0..1..0..0..1 ..0..1..1..1..1..0..0....0..1..1..1..1..0..0....0..0..1..1..1..1..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Crossrefs
Cf. A263124.
Comments