-22400domain: ZAppears in sequencesBisection of A002470.at n=35A002287Expansion of cosh(x)/cos(sin(x)).at n=5A009181Expansion of exp(x)/cos(sin(x)).at n=10A009289Row 3 of array in A288580.at n=10A092397a(n) = Sum_{k=0..n} (Stirling1(n,k) * k!)^3.at n=4A382807