31916domain: NAppears in sequencesa(n) = diagonal sum of left justified array T given by A027113.at n=27A027131a(n) = 997*n + 1009.at n=31A100776G.f. A(x) satisfies: R(x^2*A(x)) = x^3 - x^4, where R(A(x)) = x.at n=44A350433High water marks for number of primes between prime(n)^2 and prime(n+1)^2.at n=45A380135