Dimensions of primitive Lie algebras connected with the Mantaci-Reutenauer algebra MR^(2).

Terms

a(0) =2a(1) =3a(2) =8a(3) =18a(4) =48a(5) =116a(6) =312a(7) =810a(8) =2184a(9) =5880a(10) =16104a(11) =44220a(12) =122640a(13) =341484a(14) =956576a(15) =2690010a(16) =7596480a(17) =21522228a(18) =61171656a(19) =174336264a(20) =498111952a(21) =1426403748a(22) =4093181688a(23) =11767874940a(24) =33891544368a(25) =97764009000a(26) =282429535752a(27) =817028131140