OFFSET
1,1
COMMENTS
The terms > 90000 are of one of the following three forms: 10^(2*j), 4*10^(2*j) or 9*10^(2*j) where j is an integer >= 3.
See Gica/Panaitopol link for proof of above comment. - Ray Chandler, Jan 16 2024
LINKS
Ray Chandler, Table of n, a(n) for n = 1..1000
Alexandru Gica and Laurențiu Panaitopol, On Oblath's Problem, J. Integer Seq., Vol. 6 (2003), article 03.3.5, 12 pp.
Index entries for linear recurrences with constant coefficients, signature (0,0,100).
FORMULA
a(n) = 100*a(n-3) for n > 22. - Stefano Spezia, Dec 09 2023
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
José Hernández, Dec 09 2023
STATUS
approved