a(n) = denominator( (e/Pi)*Integral_{x=-oo..+oo} cos(x)/(1 + x^2)^n dx ).

A381845

a(n) = denominator( (e/Pi)*Integral_{x=-oo..+oo} cos(x)/(1 + x^2)^n dx ).

Terms

    a(0) =1a(1) =1a(2) =8a(3) =48a(4) =192a(5) =3840a(6) =46080a(7) =322560a(8) =10321920a(9) =26542080a(10) =1857945600a(11) =11678515200

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