%I M1905 #16 Jan 27 2014 08:54:42
%S 1,-2,-8,-152,-5024,-247616,-16845056,-1510219136,-172781715968,
%T -24607783918592,-4275324219846656,-890827947571834880,
%U -219400661959063912448,-63076591184224413974528,-20939716311776104453111808
%N Reversion of o.g.f. for tangent numbers.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H <a href="/index/Res#revert">Index entries for reversions of series</a>
%p read transforms; s1 := [1, 2, 16, 272, 7936, 353792, 22368256]; REVERT(s1);
%Y Cf. A000182.
%K sign
%O 1,2
%A _N. J. A. Sloane_, _Mira Bernstein_