a(n) is the largest even number k such that 6, 8, ..., k are sums of 2 of first n odd primes.

Terms

a(0) =6a(1) =10a(2) =14a(3) =18a(4) =26a(5) =30a(6) =38a(7) =42a(8) =42a(9) =54a(10) =62a(11) =74a(12) =74a(13) =90a(14) =90a(15) =90a(16) =108a(17) =114a(18) =114a(19) =134a(20) =134a(21) =146a(22) =162a(23) =172a(24) =180a(25) =186a(26) =186a(27) =218a(28) =222a(29) =230