OFFSET
0,2
COMMENTS
Row sums of A154829. Might be considered as q-Schroeder numbers for q=2.
FORMULA
G.f.: 1/(1-2x/(1-2x/(1-5x/(1-8x/(1-17x/(1-32x/(1-65x/(1-.... (continued fraction).
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Paul Barry, Jan 15 2009
STATUS
approved