Number of (1+2)X(n+2) 0..1 arrays with each row divisible by 7 and column not divisible by 7, read as a binary number with top and left being the most significant bits.
A262850
Number of (1+2)X(n+2) 0..1 arrays with each row divisible by 7 and column not divisible by 7, read as a binary number with top and left being the most significant bits.
Terms
- a(0) =6a(1) =6a(2) =12a(3) =318a(4) =900a(5) =4536a(6) =34782a(7) =178926a(8) =1042284a(9) =6538206a(10) =38160540a(11) =227814120a(12) =1377960126a(13) =8227422006a(14) =49321272972a(15) =296370593598
External references
- oeis: A262850