Number of sequences of length 2*n covering an initial interval of positive integers and splitting into n maximal runs.

A337564

Number of sequences of length 2*n covering an initial interval of positive integers and splitting into n maximal runs.

Terms

    a(0) =1a(1) =1a(2) =6a(3) =80a(4) =1540a(5) =38808a(6) =1206744a(7) =44595408a(8) =1908389340a(9) =92780281880

External references