A096712 Numerators of terms in series expansion of tan(sin(x)).

1, 1, -1, -107, -73, 41897, 3027637, 986527, -11832720271, -238031459363, 22592230600813, 2567503517437949, 877962977779386211, -72551800185828715163, -189312598480126813670107, -555004914636991112974483, 10604546643258382904627047649, 1588669342302765693238039021451

Offset

0,4

Links

Table of n, a(n) for n=0..17.

Example

x+1/6*x^3-1/40*x^5-107/5040*x^7-73/24192*x^9+41897/39916800*x^11+...

Crossrefs

Cf. A096716, A096664, A096671.

Cf. A003705.

Sequence in context: A156020 A160487 A178546 * A161176 A161372 A099652

Adjacent sequences: A096709 A096710 A096711 * A096713 A096714 A096715

Keyword

sign,frac

Author

N. J. A. Sloane, Aug 15 2004

Status

approved