a(n) = s(n) - prime(n+1)+3, where s(n) = smallest even number x > prime(n) such that the difference x-p is composite for all primes p <= prime(n).

A298736

a(n) = s(n) - prime(n+1)+3, where s(n) = smallest even number x > prime(n) such that the difference x-p is composite for all primes p <= prime(n).

Terms

    a(0) =6a(1) =10a(2) =26a(3) =90a(4) =88a(5) =84a(6) =82a(7) =200a(8) =282a(9) =280a(10) =522a(11) =518a(12) =516a(13) =512a(14) =942a(15) =936a(16) =934a(17) =928a(18) =924a(19) =922a(20) =2566a(21) =2562a(22) =2556a(23) =2548a(24) =2544a(25) =2542a(26) =5268a(27) =5266a(28) =5262a(29) =5248

External references