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 A084796 Replace n with concatenation of its prime factors in decreasing order. 5
 1, 2, 3, 22, 5, 32, 7, 222, 33, 52, 11, 322, 13, 72, 53, 2222, 17, 332, 19, 522, 73, 112, 23, 3222, 55, 132, 333, 722, 29, 532, 31, 22222, 113, 172, 75, 3322, 37, 192, 133, 5222, 41, 732, 43, 1122, 533, 232, 47, 32222, 77, 552, 173, 1322, 53, 3332, 115, 7222, 193, 292 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Alois P. Heinz, Table of n, a(n) for n = 1..20000 MAPLE with(numtheory): a:= n-> parse(cat(`if`(n=1, 1,     sort([seq(i[1]\$i[2], i=ifactors(n)[2])], `>`)[]))): seq(a(n), n=1..100);  # Alois P. Heinz, May 02 2016 MATHEMATICA Table[FromDigits[Flatten[Table[#[[1]], #[[2]]]&/@ Reverse[ FactorInteger[ n]]]], {n, 60}] (* Harvey P. Dale, Aug 29 2016 *) CROSSREFS Cf. A032726, A085307, A084797. Sequence in context: A073646 A037276 A068190 * A084797 A163902 A154865 Adjacent sequences:  A084793 A084794 A084795 * A084797 A084798 A084799 KEYWORD nonn,base,easy AUTHOR N. J. A. Sloane, Jul 19 2003 EXTENSIONS More terms from Christopher N. Swanson (cswanson(AT)ashland.edu), Jul 22 2003 STATUS approved

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Last modified January 20 14:40 EST 2019. Contains 319333 sequences. (Running on oeis4.)