445357domain: NAppears in sequencesNumber 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), (1, 1)}.at n=10A151276Odd numbers k such that the ring of integers of Q(5^(1/k)) is not Z[5^(1/k)].at n=16A342391