Number of objects generated by the Combstruct grammar defined in the Maple program. See the link for the grammar specification.

A052879

Number of objects generated by the Combstruct grammar defined in the Maple program. See the link for the grammar specification.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =7a(4) =22a(5) =81a(6) =303a(7) =1178a(8) =4675a(9) =18951a(10) =77925a(11) =324642a(12) =1366718a(13) =5806575a(14) =24861979a(15) =107178994a(16) =464805955a(17) =2026418389a(18) =8876266930a(19) =39045009419a(20) =172406753611a(21) =763909798818

External references