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a(n) = A000252(n) / A065558(n).
0

%I #3 Jan 07 2011 13:29:40

%S 1,3,12,16,80,36,252,128,324,240,1100,192,1872,756,960,1024,4352,972,

%T 6156,1280,3024,3300,11132,1536

%N a(n) = A000252(n) / A065558(n).

%Y Cf. A000252, A065558.

%K mult,nonn

%O 1,2

%A Yuval Dekel (dekelyuval(AT)hotmail.com), May 27 2003