OFFSET
0,3
FORMULA
PROG
(PARI) a(n) = n^2 - length(digits(n^2)) \\ Michel Marcus, Jul 18 2013
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Rolf Pleisch, Jun 29 2008
EXTENSIONS
Corrected and extended by N. J. A. Sloane, Jun 29 2008
STATUS
approved