T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with each row nonprime and column prime, read as a binary number with top and left being the most significant bits.
A261942
T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with each row nonprime and column prime, read as a binary number with top and left being the most significant bits.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =10a(4) =2a(5) =0a(6) =0a(7) =61a(8) =5a(9) =0a(10) =46a(11) =147a(12) =218a(13) =12a(14) =0a(15) =0a(16) =1215a(17) =746a(18) =1878a(19) =31a(20) =0a(21) =202a(22) =5826a(23) =10906a(24) =7943a(25) =9350a(26) =57a(27) =0a(28) =415a(29) =28021
External references
- oeis: A261942