Number of set partitions of [2n+1] with symmetric block size list of length A109613(n).

A305198

Number of set partitions of [2n+1] with symmetric block size list of length A109613(n).

Terms

    a(0) =1a(1) =1a(2) =7a(3) =56a(4) =470a(5) =10299a(6) =91925a(7) =3939653a(8) =36298007a(9) =2571177913a(10) =24158837489

External references