Number of series-reduced locally nonintersecting rooted identity trees whose leaves form an integer partition of n.
A316770
Number of series-reduced locally nonintersecting rooted identity trees whose leaves form an integer partition of n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =6a(5) =13a(6) =28a(7) =64a(8) =153a(9) =379a(10) =939a(11) =2385a(12) =6121a(13) =15871a(14) =41529a(15) =109509a(16) =290607a(17) =775842a(18) =2081874a(19) =5612176a(20) =15191329a(21) =41274052
External references
- oeis: A316770