533077domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of walks within N^2 (the first quadrant of Z^2) starting and ending at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 0), (-1, 1), (0, 1), (1, 0)}.at n=14A151354Numerators of coefficients in a series for log(2 Pi).at n=10A332538Prime numbersat n=44060