a(n) = a(n-1) + 3*a(n-2) - 3*a(n-3) - 2*a(n-4) + 2*a(n-5) for n >= 6, a(0) = 2, a(1) = 4, a(2) = 7, a(3) = 11, a(4) = 18, a(5) = 28.
A289131
a(n) = a(n-1) + 3*a(n-2) - 3*a(n-3) - 2*a(n-4) + 2*a(n-5) for n >= 6, a(0) = 2, a(1) = 4, a(2) = 7, a(3) = 11, a(4) = 18, a(5) = 28.
Terms
- a(0) =2a(1) =4a(2) =7a(3) =11a(4) =18a(5) =28a(6) =43a(7) =65a(8) =96a(9) =142a(10) =205a(11) =299a(12) =426a(13) =616a(14) =871a(15) =1253a(16) =1764a(17) =2530a(18) =3553a(19) =5087a(20) =7134a(21) =10204a(22) =14299a(23) =20441a(24) =28632a(25) =40918a(26) =57301a(27) =81875a(28) =114642a(29) =163792
External references
- oeis: A289131