OFFSET
1,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (101,-100).
FORMULA
a(n) = (10^(2*n)-1)*21/99.
MAPLE
a:= n-> parse(cat(21$n)):
seq(a(n), n=1..20); # Alois P. Heinz, Jun 16 2021
PROG
(PARI) g2(n) = (10^(2*n)-1)*1*21/99 for(x=1, 25, print1(g2(x), ", "))
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Cino Hilliard, Jan 02 2009
STATUS
approved