Expansion of the exponential generating function (tanh(x) - sech(x) + 1) * exp(x).

A342161

Expansion of the exponential generating function (tanh(x) - sech(x) + 1) * exp(x).

Terms

    a(0) =0a(1) =1a(2) =3a(3) =4a(4) =-3a(5) =-14a(6) =63a(7) =274a(8) =-1383a(9) =-7934a(10) =50523a(11) =353794a(12) =-2702763a(13) =-22368254a(14) =199360983a(15) =1903757314a(16) =-19391512143a(17) =-209865342974

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