Smallest k such that prime(k) + prime(k+1) = prime(k+2) + prime(k-n).

Terms

a(0) =4a(1) =8a(2) =153a(3) =61a(4) =258a(5) =649a(6) =4134a(7) =3384a(8) =29295a(9) =101468a(10) =33607a(11) =165325a(12) =298594a(13) =703923a(14) =2393291a(15) =32214330a(16) =12432950a(17) =12849377a(18) =539169143a(19) =396264119a(20) =406027081a(21) =33772761a(22) =5097974305a(23) =4764006510a(24) =23719367863a(25) =44982489668a(26) =54393474823a(27) =25708849510