83259domain: NAppears in sequencesG.f. satisfies: A(x) = 1/(1-x) * A(x^2)*A(x^3)*A(x^4)*...*A(x^n)*...at n=32A129374Row sums of triangle A175009.at n=38A175006Numbers k such that k^2 +- k +- 1 is prime for all four possibilities.at n=18A236056a(n) = n^2*(7*n - 5)/2.at n=29A262000