34653domain: NAppears in sequencesConcatenations C1 and C2 and C3 and C4 are all prime (see the comment lines).at n=12A034819Numbers n such that 2^n + n^2 is prime.at n=10A064539Row 5 of A277710: Positions of 5's in A264977; positions of 10's in A277330.at n=50A277715Expansion of 1/(1 - Sum_{k>=0} x^((2*k+1)^2)).at n=58A280863