OFFSET
1,1
COMMENTS
1 followed by n - 1 0's followed by 3
LINKS
Markus Tervooren, Factorizations of 1(0)w3
FORMULA
a(n) = 10a(n - 1) - 27 with n > 1, a(1) = 13.
MATHEMATICA
Table[10^n + 3, {n, 1, 19}]
NestList[10# - 27 &, 13, 18]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Ivan Panchenko, Mar 10 2013
STATUS
approved