OFFSET
0,1
COMMENTS
a(n) = A081341(n+1).
Essentially first differences of A125682.
Binomial transform of A005053 without initial term 1.
Second binomial transform of A164346.
Inverse binomial transform of A169634.
Second inverse binomial transform of A103333 without initial term 1.
Contribution from Reinhard Zumkeller, May 02 2010: (Start)
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..300
Index entries for linear recurrences with constant coefficients, signature (6).
FORMULA
a(n) = 6*a(n-1) for n > 0; a(0) = 3.
G.f.: 3/(1-6*x).
PROG
(Magma) [ 3*6^n: n in [0..19] ];
(PARI) a(n)=3*6^n \\ Charles R Greathouse IV, Oct 16 2015
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Klaus Brockhaus, Apr 04 2010
STATUS
approved