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A124829 Table of exponents of prime factorizations in A055932.

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%I A124829 #6 Feb 06 2020 20:54:29
%S A124829 1,2,1,1,3,2,1,4,1,2,3,1,1,1,1,5,2,2,4,1,1,3,2,1,1,6,3,2,1,2,1,5,1,2,
%T A124829 3,3,1,1,7,4,2,1,1,2,1,4,2,2,1,6,1,1,1,1,1,3,3,4,1,1,8,1,3,1,5,2,2,1,
%U A124829 2,2,4,3,2,1,7,1,2,1,1,1,4,3,1,2,2,5,1,1,1,5,9,2,3,1,6,2,3,1,2,1,2,1,1,3,4
%N A124829 Table of exponents of prime factorizations in A055932.
%C A124829 This is an enumeration of all compositions. This sequence contains all finite sequences of positive integers.
%H A124829 Michael De Vlieger, <a href="/A124829/b124829.txt">Table of n, a(n) for n = 1..10382</a> (rows 1 <= n <= 2500).
%F A124829 A055932(n) = Product_k Prime(k)^T(n,k).
%e A124829 From _Michael De Vlieger_, Feb 06 2020: (Start)
%e A124829 Table begins:
%e A124829    n   A055932(n+1)  row n
%e A124829    ---------------------
%e A124829    1    2            1;
%e A124829    2    4            2;
%e A124829    3    6            1, 1;
%e A124829    4    8            3;
%e A124829    5   12            2, 1;
%e A124829    6   16            4;
%e A124829    7   18            1, 2;
%e A124829    8   24            3, 1;
%e A124829    9   30            1, 1, 1;
%e A124829   10   32            5;
%e A124829   11   36            2, 2;
%e A124829   12   48            4, 1;
%e A124829   13   54            1, 3;
%e A124829   14   60            2, 1, 1;
%e A124829   15   64            6;
%e A124829   ...  (End)
%t A124829 Map[FactorInteger[#][[All, -1]] &, Select[Range[10^3], Last[#] == Length[#] &@ PrimePi@ FactorInteger[#][[All, 1]] &]] // Flatten (* _Michael De Vlieger_, Feb 06 2020 *)
%Y A124829 Cf. A055932, A124830 (row lengths), A124831 (row sums), A124832, A066099.
%K A124829 nonn,tabf
%O A124829 1,2
%A A124829 _Franklin T. Adams-Watters_, Nov 09 2006