1179491domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(0)=1, a(1)=5, a(n)=8*a(n-1)-a(n-2).at n=7A105426x-values in the solution to 15*x^2 - 14 = y^2.at n=14A199336Sorted list of prime numbers in the union of 7-tuples (a,b,c,d,e,f,g) satisfying a^2 + b^2 + c^2 + d^2 + e^2 + f^2 + g^2 = a*b*c*d*e*f*g.at n=18A339062Prime numbersat n=91453