Number of Weyl group elements, not containing an s_1 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 D and rank n.
A234597
Number of Weyl group elements, not containing an s_1 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 D and rank n.
Terms
- a(0) =5a(1) =11a(2) =21a(3) =48a(4) =107a(5) =229a(6) =501a(7) =1099a(8) =2394a(9) =5225a(10) =11417a(11) =24923a(12) =54409a(13) =118808a(14) =259403a(15) =566361a(16) =1236597a(17) =2699975a(18) =5895058a(19) =12871185a(20) =28102765a(21) =61359099a(22) =133970477a(23) =292509056a(24) =638659595a(25) =1394439181a(26) =3044596421a(27) =6647523443a(28) =14514097002a(29) =31689848889
External references
- oeis: A234597