Number of length 4+2 0..n arrays with no three consecutive terms having the sum of any two elements equal to twice the third.
A248465
Number of length 4+2 0..n arrays with no three consecutive terms having the sum of any two elements equal to twice the third.
Terms
- a(0) =26a(1) =144a(2) =1436a(3) =6040a(4) =21182a(5) =56782a(6) =138534a(7) =295078a(8) =589916a(9) =1082878a(10) =1900666a(11) =3161064a(12) =5083368a(13) =7857546a(14) =11844802a(15) =17344202a(16) =24892396a(17) =34927864a(18) =48224830a(19) =65403924a(20) =87536430a(21) =115449764a(22) =150581308a(23) =194049230a(24) =247712034a(25) =312987618
External references
- oeis: A248465