Number of (n+2) X (2+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.
A262844
Number of (n+2) X (2+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) =34a(2) =132a(3) =396a(4) =1264a(5) =3962a(6) =11886a(7) =35914a(8) =108556a(9) =325668a(10) =976552a(11) =2931922a(12) =8795766a(13) =26370674a(14) =79104084a(15) =237312252a(16) =711756448a(17) =2135076202a(18) =6405228606a(19) =19214238554a(20) =57640739420a(21) =172922218260a(22) =518757049560
External references
- oeis: A262844