Number of length 4+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.
A249175
Number of length 4+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) =532834a(7) =1837087a(8) =5062910a(9) =12147433a(10) =25806556a(11) =50739417a(12) =92614678a(13) =187232361a(14) =350034382a(15) =617715207a(16) =1030388992a(17) =1650959847a(18) =2538262186a(19) =3782707737a(20) =5833734570a(21) =8712114313a(22) =12641601904
External references
- oeis: A249175