Numbers n such that sum of n-th and (n+1)-st semiprimes is a square=q^2.

A109311

Numbers n such that sum of n-th and (n+1)-st semiprimes is a square=q^2.

Terms

    a(0) =6a(1) =17a(2) =58a(3) =78a(4) =89a(5) =122a(6) =187a(7) =219a(8) =229a(9) =278a(10) =313a(11) =353a(12) =367a(13) =552a(14) =589a(15) =966a(16) =1162a(17) =1264a(18) =1530a(19) =1637a(20) =1745a(21) =1928a(22) =2343a(23) =2443a(24) =2540a(25) =2648a(26) =2789a(27) =3649a(28) =3778a(29) =3811

External references