OFFSET
0,1
FORMULA
For n > 0, a(n) = 11 & 10n where & denotes decimal concatenation. - Charles R Greathouse IV, May 26 2011
EXAMPLE
a(0) = 11 (one '1').
a(1) = 1110 (one '1', one '0').
a(2) = 1120 (one '1', two '0's).
PROG
(PARI) print1(11); for(n=1, 99, print1(", 11"n, 0)) \\ Charles R Greathouse IV, May 26 2011
CROSSREFS
KEYWORD
nonn,easy,base
AUTHOR
Jonathan Vos Post, May 26 2011
STATUS
approved