OFFSET
0,2
LINKS
FORMULA
a(n) = 8*10^(n-1), n>0.
E.g.f.: (1 + 4*exp(10*x))/5. - Stefano Spezia, Jul 09 2021
PROG
(PARI) Vec((1-2*x)/(1-10*x) + O(x^20))
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Felix Fröhlich, Jul 09 2021
STATUS
approved