A346187 - cp's OEIS frontend

A346187 a(0) = 1; a(n) = Sum_{k=0..n-1} binomial(n,k)^3 * a(k) * a(n-k-1).

n	a(n)
0	1
1	1
2	9
3	279
4	20655
5	2997405
6	753171615
7	300907367775
8	179603100388215
9	152724638158940925
10	178223093773584811875
11	276909379421415142992975
12	558708999223935430219474125
13	1433526175506213101913925750425
14	4594607165137022427482460137390625
15	18114938314838093950739712451059177375

[1, 1, 9, 279, 20655, 2997405, 753171615, 300907367775, 179603100388215, 152724638158940925, 178223093773584811875, 276909379421415142992975, 558708999223935430219474125, 1433526175506213101913925750425, 4594607165137022427482460137390625, 18114938314838093950739712451059177375]

cp's OEIS Frontend

A346187 a(0) = 1; a(n) = Sum_{k=0..n-1} binomial(n,k)^3 * a(k) * a(n-k-1).

Table of values

List of values