320738domain: NAppears in sequencesInteger part of Gauss's Arithmetic-Geometric Mean M(2,n^5).at n=19A127766Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 0), (0, 1), (1, 1)}.at n=11A151282