OFFSET
0,1
LINKS
FORMULA
a(2n+1) = a(2n-2).
a(n) = 22 * 2^A028242(n). - Franklin T. Adams-Watters, Mar 29 2006
a(n) = 2a(n-2), a(0)=44, a(1)=22. G.f.: (44*x+88)/(1-2*x^2). - Ralf Stephan, Jul 16 2013
MATHEMATICA
nxt[{n_, a_}]:={n+1, If[EvenQ[n], a/2, 4a]}; Transpose[NestList[nxt, {0, 44}, 40]] [[2]] (* or *) LinearRecurrence[{0, 2}, {44, 22}, 40] (* Harvey P. Dale, Feb 21 2015 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Guadalupe Garcia (lugar3628(AT)sbcglobal.net), Jun 15 2005
EXTENSIONS
Explanation and more terms from N. J. A. Sloane, Aug 11 2005
STATUS
approved