Number of length 7+6 0..n arrays with every seven consecutive terms having four times the sum of some three elements equal to three times the sum of the remaining four.
A249178
Number of length 7+6 0..n arrays with every seven consecutive terms having four times the sum of some three elements equal to three times the sum of the remaining four.
Terms
- a(0) =2a(1) =395a(2) =2258a(3) =11177a(4) =39066a(5) =115437a(6) =954986a(7) =5101909a(8) =18786744a(9) =56431603a(10) =142215998a(11) =319891307a(12) =652627222a(13) =1647080797a(14) =3703318802a(15) =7684619675a(16) =14642811994
External references
- oeis: A249178