E.g.f. (sin(3x) + cos x) / cos(4x).

A225109

E.g.f. (sin(3x) + cos x) / cos(4x).

Terms

    a(0) =1a(1) =3a(2) =15a(3) =117a(4) =1185a(5) =15123a(6) =230895a(7) =4116837a(8) =83860545a(9) =1921996323a(10) =48942778575

External references