A013234 Expansion of e.g.f. sin(log(x+1) - tan(x)).

0, 0, -1, 0, -6, 8, -105, 448, -3780, 29360, -231525, 2498848, -20985426, 271494104, -2503393893, 35568205216, -346194368520, 4969746747488, -41862411119529, 433992302190016, 4063211694577570, -232678981367758168

Offset

0,5

Links

Table of n, a(n) for n=0..21.

Example

-1/2!*x^2 - 6/4!*x^4 + 8/5!*x^5 - 105/6!*x^6 ...

Prog

(PARI) x = 'x + O('x^30); concat([0, 0], Vec(serlaplace(sin(log(x+1) - tan(x))))) \\ Michel Marcus, Aug 02 2018

Crossrefs

Sequence in context: A137127 A013241 A013237 * A013240 A161801 A211041

Adjacent sequences: A013231 A013232 A013233 * A013235 A013236 A013237

Keyword

sign

Author

Patrick Demichel (patrick.demichel(AT)hp.com)

Extensions

a(0)=a(1)=0 inserted and title improved by Sean A. Irvine, Aug 01 2018

Status

approved