Number of set partitions of [n] with maximal block length multiplicity equal to four.

A271733

Number of set partitions of [n] with maximal block length multiplicity equal to four.

Terms

    a(0) =1a(1) =0a(2) =15a(3) =35a(4) =385a(5) =2331a(6) =13335a(7) =88110a(8) =629200a(9) =4811235a(10) =35992957a(11) =276332420a(12) =2325570065a(13) =20036259075a(14) =171879027000

External references