A050360 - OEIS

%I #14 Jun 22 2021 03:01:38

%S 1,1,2,1,3,2,5,3,1,7,4,5,2,11,6,7,3,15,10,4,11,1,9,5,22,14,6,15,2,15,

%T 7,30,22,10,22,3,21,8,11,42,9,30,4,25,14,30,5,33,12,15,56,15,44,1,6,

%U 35,22,42,7,45,20,22,77,21,60,2,10,55,18,30,56,8,25,11,66,28,9,30,49,101

%N Abelian groups (factorizations into prime powers >1) indexed by prime signatures. A000688(A025487).

%H Reinhard Zumkeller, <a href="/A050360/b050360.txt">Table of n, a(n) for n = 1..10000</a>

%H <a href="/index/Gre#groups">Index entries for sequences related to groups</a>

%o (Haskell)

%o a050360 = a000688 . a025487  -- _Reinhard Zumkeller_, Aug 28 2014

%Y Cf. A000041, A000688, A000961, A050361-A050364.

%Y Cf. A025487.

%K nonn

%O 1,3

%A _Christian G. Bower_, Oct 15 1999

%E More terms from _David Wasserman_, Feb 14 2002