A085926 a(n) = n if n is composite, else a(n) = smallest composite number beginning with n not obtained trivially by simply placing a zero as a least significant digit; i.e., a(n) is not equal to 10n.

12, 21, 32, 4, 51, 6, 72, 8, 9, 10, 111, 12, 132, 14, 15, 16, 171, 18, 192, 20, 21, 22, 231, 24, 25, 26, 27, 28, 291, 30, 312, 32, 33, 34, 35, 36, 371, 38, 39, 40, 411, 42, 432, 44, 45, 46, 471, 48, 49, 50, 51, 52, 531, 54, 55, 56, 57, 58, 591, 60, 611, 62, 63, 64, 65, 66, 671

Offset

0,1

Links

Table of n, a(n) for n=0..66.

Crossrefs

Sequence in context: A274347 A316266 A179899 * A071263 A241503 A226186

Adjacent sequences: A085923 A085924 A085925 * A085927 A085928 A085929

Keyword

base,easy,nonn

Author

Amarnath Murthy and Jason Earls, Jul 12 2003

Extensions

More terms from David Wasserman, Feb 11 2005

Status

approved