login
This site is supported by donations to The OEIS Foundation.

 

Logo

The OEIS Foundation is grateful to everyone who made a donation during our Annual Appeal.     Visit the new and spectacular Pictures from the OEIS page!

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A050348 Number of factorizations into distinct factors with 2 levels of parentheses indexed by prime signatures. A050347(A025487). 0

%I

%S 1,1,1,4,4,10,7,26,22,14,34,63,74,29,105,143,223,57,296,312,320,154,

%T 366,617,110,769,1087,697,641,1136,1589,217,1906,3394,1483,2224,3246,

%U 1562,3919,417,4251,4561,3175,3858,9736,3111,6910,8772,6183,9327,794

%N Number of factorizations into distinct factors with 2 levels of parentheses indexed by prime signatures. A050347(A025487).

%K nonn

%O 1,4

%A _Christian G. Bower_, Oct 15 1999

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified February 12 11:00 EST 2016. Contains 268215 sequences.