103440domain: NAppears in sequencesPositive numbers k such that k and 4*k are anagrams in base 5 (written in base 5).at n=13A023063E.g.f.: A(x) = exp(x*sinh(x*G(x))) where G(x) = cosh(x*G(x)) is the e.g.f. of A143601.at n=4A143598