85652domain: NAppears in sequencesNonnegative values x of solutions (x, y) to the Diophantine equation x^2+(x+343)^2 = y^2.at n=24A118611Triangle read by rows of products of (signless) Stirling numbers of the first kind (A132393) and Stirling numbers of the second kind (A008277).at n=42A187556