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A050357 Number of ordered factorizations with 2 levels of parentheses indexed by prime signatures. 2

%I #6 Dec 19 2015 13:29:49

%S 1,1,4,7,16,40,64,208,73,256,292,1024,544,1024,1840,4864,3472,4096,

%T 10624,4936,22528,1015,13552,20224,16384,57856,36976,102400,9328,

%U 89344,110848,65536,302080,246784,458752,70480,546304,52996,581632

%N Number of ordered factorizations with 2 levels of parentheses indexed by prime signatures.

%Y A050356(A025487).

%K nonn

%O 1,3

%A _Christian G. Bower_, Oct 15 1999

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Last modified April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)