A138166 Numbers containing their length in their decimal representation.

1, 12, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 32, 42, 52, 62, 72, 82, 92, 103, 113, 123, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 143, 153, 163, 173, 183, 193, 203, 213, 223, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 243, 253, 263, 273, 283

Offset

1,2

Links

R. Zumkeller, Table of n, a(n) for n = 1..10000

Prog

(Haskell)
import Data.List (isInfixOf)
a138166 n = a138166_list !! (n-1)
a138166_list = filter (\x -> show (a055642 x) `isInfixOf` show x) [0..]
-- Reinhard Zumkeller, Jul 04 2012

Crossrefs

Cf. A055642, A138167, A138168.

Cf. A038528 (subsequence).

Cf. A052018, A119246.

Sequence in context: A360529 A093314 A175765 * A208273 A046418 A171795

Adjacent sequences: A138163 A138164 A138165 * A138167 A138168 A138169

Keyword

nonn,base

Author

Reinhard Zumkeller, Mar 03 2008

Status

approved