-5024domain: ZAppears in sequencesReversion of o.g.f. for tangent numbers.at n=4A007314Expansion of e.g.f. log(cosh(x) + tan(x)).at n=8A013187Difference between n and the sum of the factorials of its digits.at n=16A108911Inverse of Riordan array (1/(1-x)^2,x(1-x)/(1+x)), A104698.at n=28A110271