A137309 Let T = {1,3,5,7,9,1,3,5,7,9,1,3,5,7,9, ... }; a(n) is n-th concatenation of n numbers from T.

1, 35, 791, 3579, 13579, 135791, 3579135, 79135791, 357913579, 1357913579, 13579135791, 357913579135, 7913579135791, 35791357913579, 135791357913579, 1357913579135791, 35791357913579135, 791357913579135791, 3579135791357913579

Offset

1,2

Links

Table of n, a(n) for n=1..19.

Crossrefs

Cf. A141518.

Sequence in context: A028160 A028107 A066553 * A028024 A226941 A249883

Adjacent sequences: A137306 A137307 A137308 * A137310 A137311 A137312

Keyword

easy,nonn,base

Author

Ctibor O. Zizka, Apr 05 2008

Extensions

Edited by Charles R Greathouse IV, Apr 25 2010

Status

approved