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 C and rank n.
A232164
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 C and rank n.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =2a(4) =6a(5) =12a(6) =25a(7) =57a(8) =124a(9) =268a(10) =588a(11) =1285a(12) =2801a(13) =6118a(14) =13362a(15) =29168a(16) =63685a(17) =139057a(18) =303608a(19) =662888a(20) =1447352a(21) =3160121a(22) =6899745a(23) =15064810a(24) =32892270a(25) =71816436a(26) =156802881a(27) =342360937a(28) =747505396a(29) =1632091412
External references
- oeis: A232164