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A012936 Expansion of e.g.f.: exp(tan(x)+sin(x))=1+2*x+4/2!*x^2+9/3!*x^3+24/4!*x^4+89/5!*x^5... 0
1, 2, 4, 9, 24, 89, 438, 2527, 16072, 111257, 851866, 7138923, 65286276, 641779181, 6769229670, 76040241775, 908362886512, 11481062493713, 153172480730482, 2149793170916115, 31664861861245692 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..20.

MATHEMATICA

With[{nn=30}, CoefficientList[Series[Exp[Tan[x]+Sin[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, May 01 2016 *)

CROSSREFS

Sequence in context: A006406 A097656 A324148 * A013091 A013168 A013183

Adjacent sequences: A012933 A012934 A012935 * A012937 A012938 A012939

KEYWORD

nonn

AUTHOR

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

EXTENSIONS

Definition clarified by Harvey P. Dale, May 01 2016

STATUS

approved

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Last modified December 1 04:36 EST 2022. Contains 358454 sequences. (Running on oeis4.)