Dimensions of certain Lie algebra (see reference for precise definition).

Terms

a(0) =1a(1) =90a(2) =1274a(3) =8568a(4) =38115a(5) =130130a(6) =369460a(7) =915552a(8) =2043621a(9) =4198810a(10) =8065134a(11) =14651000a(12) =25393095a(13) =42280434a(14) =68000360a(15) =106108288a(16) =161222985a(17) =239249178a(18) =347629282a(19) =495626040a(20) =694637867a(21) =958548690a(22) =1304114076a(23) =1751385440a(24) =2324174125a(25) =3050557146a(26) =3963426390