T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each row and column not divisible by 5, read as a binary number with top and left being the most significant bits.
A263040
T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each row and column not divisible by 5, read as a binary number with top and left being the most significant bits.
Terms
- a(0) =98a(1) =512a(2) =512a(3) =3711a(4) =6928a(5) =3711a(6) =24013a(7) =92472a(8) =92472a(9) =24013a(10) =142344a(11) =1198816a(12) =2840827a(13) =1198816a(14) =142344a(15) =839216a(16) =14394128a(17) =78521045a(18) =78521045a(19) =14394128a(20) =839216a(21) =5128489a(22) =174159952a(23) =1961083623a(24) =4513054617a(25) =1961083623a(26) =174159952
External references
- oeis: A263040