OFFSET
1,1
COMMENTS
These numbers also have many palindromic divisors. [Jason Earls, Nov 28 2009]
REFERENCES
J. Earls, "Palindions," Mathematical Bliss, Pleroma Publications, 2009, pages 115-120. ASIN: B002ACVZ6O. [Jason Earls, Nov 28 2009]
FORMULA
If n>1 then a(n)=(2*10^n-20)/15. - Robert Gerbicz, Sep 06 2002
a(n) = (4/3)*(10^n-1). [Jason Earls, Nov 28 2009]
EXAMPLE
a(2)=12 because there are 12 Fibonacci numbers up to 10^2 which end in 3.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Shyam Sunder Gupta, Aug 15 2002
EXTENSIONS
More terms from Robert Gerbicz, Sep 06 2002
STATUS
approved