Number of length n+5 0..3 arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four.
A249228
Number of length n+5 0..3 arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four.
Terms
- a(0) =2772a(1) =7736a(2) =21648a(3) =60744a(4) =170928a(5) =482388a(6) =1365524a(7) =3889132a(8) =11085704a(9) =31624832a(10) =90291712a(11) =257986472a(12) =737641956a(13) =2111829480a(14) =6047886156a(15) =17324092484a(16) =49634779596a(17) =142232471640a(18) =407642504688
External references
- oeis: A249228