Expansion of tan(x)*tan(sinh(x))/2.

A024292

Expansion of tan(x)*tan(sinh(x))/2.

Terms

    a(0) =0a(1) =1a(2) =10a(3) =219a(4) =8564a(5) =524437a(6) =46450750a(7) =5626646319a(8) =894412078184

External references