Number of (n+2) X (1+2) 0..1 arrays with each row and column divisible by 5, read as a binary number with top and left being the most significant bits.
A262267
Number of (n+2) X (1+2) 0..1 arrays with each row and column divisible by 5, read as a binary number with top and left being the most significant bits.
Terms
- a(0) =2a(1) =4a(2) =7a(3) =13a(4) =26a(5) =52a(6) =103a(7) =205a(8) =410a(9) =820a(10) =1639a(11) =3277a(12) =6554a(13) =13108a(14) =26215a(15) =52429a(16) =104858a(17) =209716a(18) =419431a(19) =838861a(20) =1677722a(21) =3355444a(22) =6710887a(23) =13421773a(24) =26843546a(25) =53687092a(26) =107374183a(27) =214748365a(28) =429496730a(29) =858993460
External references
- oeis: A262267