Number of length n+4 0..3 arrays with no five consecutive terms having four times any element equal to the sum of the remaining four.
A249461
Number of length n+4 0..3 arrays with no five consecutive terms having four times any element equal to the sum of the remaining four.
Terms
- a(0) =860a(1) =2948a(2) =10124a(3) =34832a(4) =119932a(5) =412972a(6) =1422232a(7) =4898776a(8) =16874830a(9) =58131580a(10) =200257200a(11) =689871586a(12) =2376578686a(13) =8187255382a(14) =28204984386a(15) =97165888404a(16) =334735779168
External references
- oeis: A249461