Number of length 2+5 0..n arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four.
A249235
Number of length 2+5 0..n 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) =62a(1) =972a(2) =7736a(3) =36880a(4) =133270a(5) =400152a(6) =1044612a(7) =2427636a(8) =5229990a(9) =10451840a(10) =19688932a(11) =35362972a(12) =60808746a(13) =100653400a(14) =161543020a(15) =251735652a(16) =382345122a(17) =567979396a(18) =826454760a(19) =1180193960a(20) =1658004122a(21) =2293344492a(22) =3127714936
External references
- oeis: A249235