a(n) = numerator of r(n): r(n) is such that the continued fraction (of rational terms) [r(1);r(2),...r(n)] equals n! for every positive integer n.

A128523

a(n) = numerator of r(n): r(n) is such that the continued fraction (of rational terms) [r(1);r(2),...r(n)] equals n! for every positive integer n.

Terms

    a(0) =1a(1) =1a(2) =-5a(3) =44a(4) =-171a(5) =3712a(6) =-3075a(7) =22528a(8) =-434875a(9) =23330816a(10) =-15141735a(11) =1098907648a(12) =-521070165a(13) =48586817536a(14) =-8885315439

External references