a(n) is the first even number k such that there are exactly n pairs (p,q) where p and q are prime, p<=q, p+q = k, and p+A001414(k) and q+A001414(k) are also prime.

A357816

a(n) is the first even number k such that there are exactly n pairs (p,q) where p and q are prime, p<=q, p+q = k, and p+A001414(k) and q+A001414(k) are also prime.

Terms

    a(0) =2a(1) =16a(2) =60a(3) =72a(4) =220a(5) =132a(6) =374a(7) =276a(8) =492a(9) =638a(10) =636a(11) =852a(12) =620a(13) =854a(14) =996a(15) =1056a(16) =1026a(17) =1212a(18) =2070a(19) =1530a(20) =2610a(21) =3976a(22) =3844a(23) =1488a(24) =1572a(25) =4812a(26) =4770a(27) =3942a(28) =2484a(29) =5028

External references