A137309


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


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%I #6 Dec 27 2023 00:53:26
%S 1,35,791,3579,13579,135791,3579135,79135791,357913579,1357913579,
%T 13579135791,357913579135,7913579135791,35791357913579,
%U 135791357913579,1357913579135791,35791357913579135,791357913579135791,3579135791357913579
%N Let T = {1,3,5,7,9,1,3,5,7,9,1,3,5,7,9, ... }; a(n) is nth concatenation of n numbers from T.
%Y Cf. A141518.
%K easy,nonn,base
%O 1,2
%A _Ctibor O. Zizka_, Apr 05 2008
%E Edited by _Charles R Greathouse IV_, Apr 25 2010
