Number of tandem duplication trees on n duplicated gene segments.

A086521

Number of tandem duplication trees on n duplicated gene segments.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =11a(4) =46a(5) =210a(6) =1021a(7) =5202a(8) =27477a(9) =149324a(10) =830357a(11) =4705386a(12) =27087106a(13) =158019030a(14) =932390694a(15) =5555902302a(16) =33391080001a(17) =202196156448

External references