A085951 For n <= 5, a(n) = 2n-1. For n > 5, a(n) is the least odd number not already used that begins with the last digit of a(n-1).

1, 3, 5, 7, 9, 91, 11, 13, 31, 15, 51, 17, 71, 19, 93, 33, 35, 53, 37, 73, 39, 95, 55, 57, 75, 59, 97, 77, 79, 99, 901, 101, 103, 301, 105, 501, 107, 701, 109, 903, 303, 305, 503, 307, 703, 309, 905, 505, 507, 705, 509, 907, 707, 709, 909, 911, 111, 113, 311, 115, 511

Offset: 1

Author

Amarnath Murthy and Jason Earls, Jul 15 2003

Keywords

• easy
• nonn
• base

Crossrefs

Cf. A085952.

Extensions

Corrected and extended by David Wasserman, Feb 15 2005

Edited by Charles R Greathouse IV, Aug 03 2010