%I A019513
%S A019513 1,10,100,101,110,200,201,1000,1001,1010,1100,1101,1110,1200,10000,
%T A019513 10001,10010,10100,10101,10110,10200,10201,11000,11001,11010,11100,
%U A019513 11101,11110,11200,11201,12000
%N A019513 Numbers written in base of double factorial numbers.
%D A019513 F. Smarandache, "Collected Papers", Vol. II, Tempus Publ. Hse., Buharest, 
               Romania, 1996.
%D A019513 F. Iacobescu, Smarandache Partition Type and Other Sequences, Bull. Pure 
               Appl. Sciences, Vol. 16E, No. 2 (1997), pp. 237-240.
%D A019513 F. Smarandache, Sequences of Numbers Involved in Unsolved Problems, Hexis, 
               Phoenix, 2006.
%H A019513 <a href="Sindx_Fa.html#factorial">Index entries for sequences related 
               to factorial numbers</a>
%H A019513 M. L. Perez et al., eds., <a href="http://www.gallup.unm.edu/~smarandache/
               ">Smarandache Notions Journal</a>
%H A019513 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               SmarandacheSequences.html">Link to a section of The World of Mathematics.</
               a>
%H A019513 F. Smarandache, <a href="http://www.gallup.unm.edu/~smarandache/CP2.pdf">
               Collected Papers, Vol. II</a>
%H A019513 F. Smarandache, <a href="http://www.gallup.unm.edu/~smarandache/Sequences-book.pdf">
               Sequences of Numbers Involved in Unsolved Problems</a>.
%Y A019513 Sequence in context: A145644 A119589 A107411 this_sequence A037415 A014417 
               A007924
%Y A019513 Adjacent sequences: A019510 A019511 A019512 this_sequence A019514 A019515 
               A019516
%K A019513 nonn
%O A019513 1,2
%A A019513 R. Muller