Number of isoscent sequences of length n with exactly three descents.

A243476

Number of isoscent sequences of length n with exactly three descents.

Terms

    a(0) =10a(1) =216a(2) =2765a(3) =27214a(4) =227847a(5) =1708700a(6) =11832896a(7) =77170252a(8) =480381209a(9) =2881934792a(10) =16782041642a(11) =95373448420a(12) =531211249132

External references