Stable Poincaré series [or Poincare series] for Lie algebra of types B or C.

Terms

a(0) =1a(1) =2a(2) =2a(3) =2a(4) =2a(5) =5a(6) =12a(7) =20a(8) =29a(9) =45a(10) =75a(11) =127a(12) =213a(13) =349a(14) =568a(15) =928a(16) =1520a(17) =2495a(18) =4094a(19) =6699a(20) =10950a(21) =17908a(22) =29286a(23) =47864a(24) =78196a(25) =127722a(26) =208562a(27) =340463a(28) =555623a(29) =906581