193160domain: NAppears in sequencesNumbers k whose decimal representation, read as a base-19 value and divided by k, yields an integer.at n=31A032569G.f.: 1/( (1-8*x)*(1+x)^2 )^(1/3).at n=7A216316Ulam numbers that are oblong (or promic) numbers.at n=36A379828