Number of Weyl group elements, not containing an s_r factor, which contribute nonzero terms to Kostant's weight multiplicity formula when computing the multiplicity of the zero-weight in the adjoint representation for the Lie algebra of type B and rank n.
A232162
Number of Weyl group elements, not containing an s_r factor, which contribute nonzero terms to Kostant's weight multiplicity formula when computing the multiplicity of the zero-weight in the adjoint representation for the Lie algebra of type B and rank n.
Terms
- a(0) =0a(1) =0a(2) =2a(3) =3a(4) =5a(5) =14a(6) =30a(7) =62a(8) =139a(9) =305a(10) =660a(11) =1444a(12) =3158a(13) =6887a(14) =15037a(15) =32842a(16) =71698a(17) =156538a(18) =341799a(19) =746273a(20) =1629384a(21) =3557592a(22) =7767594a(23) =16959611a(24) =37029365a(25) =80849350a(26) =176525142a(27) =385422198a(28) =841524755a(29) =1837371729
External references
- oeis: A232162