login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A091576 Poincaré series [or Poincare series] of the preprojective algebra of a Dynkin diagram of type E_7. 6

%I

%S 7,12,17,22,27,30,33,34,35,34,33,30,27,22,17,12,7,0,0,0,0,0,0,0,0,0,0,

%T 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,

%U 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0

%N Poincaré series [or Poincare series] of the preprojective algebra of a Dynkin diagram of type E_7.

%C The series is a polynomial because the algebra is finite dimensional. See the entry for A091575 for a general formula.

%Y Cf. A091571, A091572, A091573, A091574, A091575, A091577.

%K easy,nonn

%O 0,1

%A _Paul Boddington_, Jan 22 2004

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 19 19:41 EDT 2021. Contains 347564 sequences. (Running on oeis4.)