OFFSET
0,2
EXAMPLE
a(0)=0 because 0^2=0 has one 0
a(1)=1 because 11^2=121 has two 1's
a(2)=149 because 149^2=22201 has three 2's
a(8)=9321378 because 9321378^2=86888087818884 has nine 8's
a(9)=31622764 because 31622764^2=999999202999696 has ten 9's.
CROSSREFS
KEYWORD
base,fini,full,nonn
AUTHOR
Zak Seidov, Aug 01 2010
STATUS
approved