Number of (n+1)X(2+1) 0..1 arrays with each row and column prime, read as a binary number with top and left being the most significant bits.
A261755
Number of (n+1)X(2+1) 0..1 arrays with each row and column prime, read as a binary number with top and left being the most significant bits.
Terms
- a(0) =4a(1) =20a(2) =19a(3) =100a(4) =165a(5) =353a(6) =885a(7) =3548a(8) =8661a(9) =21544a(10) =78052a(11) =265612a(12) =786316a(13) =2171560a(14) =6063182a(15) =26625997a(16) =98070255a(17) =308244775
External references
- oeis: A261755