Number of (3+1)X(n+1) 0..2 arrays with each row nonprime and column prime, read as a base 3 number with top and left being the most significant digits.
A262112
Number of (3+1)X(n+1) 0..2 arrays with each row nonprime and column prime, read as a base 3 number with top and left being the most significant digits.
Terms
- a(0) =54a(1) =1968a(2) =61256a(3) =1845169a(4) =50756609a(5) =1290246169
External references
- oeis: A262112