OFFSET
1,2
FORMULA
a(n) ~ 4.5n (since 0.149162536... = A001191 is 10-normal).
EXAMPLE
a(5) = 1+4+9+1+6 = 21.
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Amarnath Murthy, Jan 08 2002
EXTENSIONS
Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 19 2003
Asymptotic formula from Charles R Greathouse IV, Oct 04 2008
STATUS
approved