OFFSET
1,1
COMMENTS
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..995
Index entries for linear recurrences with constant coefficients, signature (10,10,-100).
FORMULA
From Chai Wah Wu, Sep 10 2020: (Start)
a(n) = 10*a(n-1) + 10*a(n-2) - 100*a(n-3) for n > 3.
G.f.: x*(-110*x^2 - 9*x + 11)/((10*x - 1)*(10*x^2 - 1)). (End)
MATHEMATICA
Table[IntegerString[(2^n + 2^(Floor[n/2]))/2, 2], {n, 2, 50}] (* G. C. Greubel, Sep 08 2017 *)
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
Jaroslav Krizek, Aug 08 2009
EXTENSIONS
Extended by R. J. Mathar, Aug 11 2009
STATUS
approved