516163domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = 1123 + 21460*n.at n=24A069984Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0), ending on the vertical axis and consisting of n steps taken from {(-1, -1), (-1, 0), (0, 1), (1, 0)}.at n=13A151386Prime numbersat n=42750