A171630 10^n*(5+3*10^n)+3

11, 353, 30503, 3005003, 300050003, 30000500003, 3000005000003, 300000050000003, 30000000500000003, 3000000005000000003, 300000000050000000003, 30000000000500000000003

Offset

0,1

Links

Table of n, a(n) for n=0..11.

Mathematica

Join[{11}, Table[FromDigits[Join[{3}, PadRight[{}, n, 0], {5}, PadRight[{}, n, 0], {3}]], {n, 0, 10}]] (* Harvey P. Dale, Mar 10 2023 *)

Crossrefs

Sequence in context: A012220 A012138 A067428 * A303116 A162019 A066268

Adjacent sequences: A171627 A171628 A171629 * A171631 A171632 A171633

Keyword

easy,nonn

Author

Jason Earls, Dec 13 2009

Status

approved