OFFSET
1,1
LINKS
C. G. Bower, Transforms (2)
Alexsandar Petojevic, The Function vM_m(s; a; z) and Some Well-Known Sequences, Journal of Integer Sequences, Vol. 5 (2002), Article 02.1.7
FORMULA
"CIJ" (necklace, indistinct, labeled) transform of 3, 0, 0, 0...
E.g.f.: log(1/(1-3*x)).
a(n) = 3^n * (n-1)!. - Vaclav Kotesovec, Jan 05 2014
D-finite with recurrence: a(n) +3*(-n+1)*a(n-1)=0. - R. J. Mathar, Jan 28 2020
MATHEMATICA
s=3; lst={s}; Do[s+=n*s+s; AppendTo[lst, s], {n, 1, 5!, 3}]; lst (* Vladimir Joseph Stephan Orlovsky, Nov 08 2008 *)
Rest[With[{nn=20}, CoefficientList[Series[Log[1/(1-3x)], {x, 0, nn}], x] Range[0, nn]!]] (* Harvey P. Dale, Sep 22 2011 *)
PROG
(PARI) Vec(serlaplace(log(1/(1-3*'x+O('x^66))))) /* Joerg Arndt, Jan 25 2013 */
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved
