T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with each row and column prime, read as a base 3 number with top and left being the most significant digits.
A262122
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with each row and column prime, read as a base 3 number with top and left being the most significant digits.
Terms
- a(0) =5a(1) =5a(2) =5a(3) =23a(4) =44a(5) =23a(6) =47a(7) =83a(8) =83a(9) =47a(10) =133a(11) =784a(12) =2802a(13) =784a(14) =133a(15) =369a(16) =2632a(17) =8086a(18) =8086a(19) =2632a(20) =369a(21) =1206a(22) =19665a(23) =218493a(24) =473294a(25) =218493a(26) =19665a(27) =1206a(28) =3427a(29) =92550
External references
- oeis: A262122