OFFSET
0,2
COMMENTS
Decimal expansion of 1309/9000. - Elmo R. Oliveira, May 07 2024
LINKS
FORMULA
a(n) = 4 for n >= 3.
PROG
(PARI) Vec((1 + x)*(1 + 2*x - x^2) / (1 - x) + O(x^80)) \\ Colin Barker, Nov 21 2019
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Nov 20 2019
STATUS
approved