

A013307


Numerator of [x^n] in the Taylor series arccosh(exp(x)tan(x))= xx^2/6 x^3/72 43*x^4/432 221*x^5/10368 89513*x^6/2177280...


0



1, 1, 1, 43, 221, 89513, 149749, 1084711, 209435, 27633784271, 1480512386621, 7957100794591, 26770890495311, 8901132809862257, 397417885842749047, 4636876735719615641
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