Fibonacci + Goldbach: a(1)=6, a(2)=8 and for n>=3, a(n)=g(a(n-1)) + g(a(n-2)), where for m>=3, g(2*m) is the maximal prime p < 2*m such that 2*m - p is prime.

A216275

Fibonacci + Goldbach: a(1)=6, a(2)=8 and for n>=3, a(n)=g(a(n-1)) + g(a(n-2)), where for m>=3, g(2*m) is the maximal prime p < 2*m such that 2*m - p is prime.

Terms

    a(0) =6a(1) =8a(2) =8a(3) =10a(4) =12a(5) =14a(6) =18a(7) =24a(8) =32a(9) =48a(10) =72a(11) =110a(12) =174a(13) =274a(14) =438a(15) =704a(16) =1134a(17) =1830a(18) =2952a(19) =4762a(20) =7698a(21) =12450a(22) =20128a(23) =32560a(24) =52660a(25) =85168a(26) =137752a(27) =222844a(28) =360564a(29) =583392

External references