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A216179
a(n) = 10^n + 3.
0
13, 103, 1003, 10003, 100003, 1000003, 10000003, 100000003, 1000000003, 10000000003, 100000000003, 1000000000003, 10000000000003, 100000000000003, 1000000000000003, 10000000000000003, 100000000000000003, 1000000000000000003, 10000000000000000003
OFFSET
1,1
COMMENTS
1 followed by n - 1 0's followed by 3
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
Cf. A049054.
Sequence in context: A228213 A220734 A268991 * A240804 A100277 A087398
KEYWORD
nonn,easy
AUTHOR
Ivan Panchenko, Mar 10 2013
STATUS
approved