243525domain: NAppears in sequences10000 times the n-th zero of the BesselJ function of zero order, rounded.at n=7A084691Rectangular array A(n, k) = hypergeom([-k, k + n/2 - 1], [1], -4) with row n >= 0 and k >= 0, read by ascending antidiagonals.at n=33A300945