A025230 - cp's OEIS frontend

A025230 a(n) = a(1)a(n-1) + a(2)a(n-2) + ...+ a(n-1)*a(1) for n >= 3, with initial terms 3,1.

n	a(n)
1	3
2	1
3	6
4	37
5	234
6	1514
7	9996
8	67181
9	458562
10	3172478
11	22206420
12	157027938
13	1120292388
14	8055001716
15	58314533400
16	424740506109
17	3110401363122
18	22888001498102
19	169155516667524
20	1255072594261142
21	9345400450314924
22	69812926066668044
23	523072984217339304

[3, 1, 6, 37, 234, 1514, 9996, 67181, 458562, 3172478, 22206420, 157027938, 1120292388, 8055001716, 58314533400, 424740506109, 3110401363122, 22888001498102, 169155516667524, 1255072594261142, 9345400450314924, 69812926066668044, 523072984217339304]

cp's OEIS Frontend

A025230 a(n) = a(1)a(n-1) + a(2)a(n-2) + ...+ a(n-1)*a(1) for n >= 3, with initial terms 3,1.

Table of values

List of values

cp's OEIS Frontend

A025230 a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ...+ a(n-1)*a(1) for n >= 3, with initial terms 3,1.

Table of values

List of values

A025230 a(n) = a(1)a(n-1) + a(2)a(n-2) + ...+ a(n-1)*a(1) for n >= 3, with initial terms 3,1.