Number of length 2+4 0..n arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two.
A249003
Number of length 2+4 0..n arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two.
Terms
- a(0) =58a(1) =464a(2) =2668a(3) =10360a(4) =32398a(5) =82348a(6) =189660a(7) =387900a(8) =744378a(9) =1335780a(10) =2289960a(11) =3737824a(12) =5914730a(13) =9025016a(14) =13447116a(15) =19506256a(16) =27749742a(17) =38646260a(18) =53006324a(19) =71470164a(20) =95143346a(21) =124907012a(22) =162219976a(23) =208226592a(24) =264893594a(25) =333635648
External references
- oeis: A249003