2854051200domain: NAppears in sequencesFifth column sequence of triangle A062139 (generalized a=2 Laguerre).at n=7A062194Expansion of e.g.f. (1 - x^2)^(-x).at n=13A353226E.g.f. satisfies A(x) = exp(x * (exp(x^2*A(x)) - 1)).at n=12A375831