A179331 - cp's OEIS frontend

A179331 E.g.f. satisfies: A(x) = (1-x)/(1-3x) A(x*(1-x)^2).

n	a(n)
1	1
2	3
3	21
4	234
5	3540
6	66564
7	1469412
8	36584784
9	998692416
10	29407250880
11	934026603840
12	32655607021440
13	1292780225168640
14	57672298842359040
15	2712127097197728000
16	122155073614867507200
17	5128063415272020787200

[1, 3, 21, 234, 3540, 66564, 1469412, 36584784, 998692416, 29407250880, 934026603840, 32655607021440, 1292780225168640, 57672298842359040, 2712127097197728000, 122155073614867507200, 5128063415272020787200]

cp's OEIS Frontend

A179331 E.g.f. satisfies: A(x) = (1-x)/(1-3x) A(x*(1-x)^2).

Table of values

List of values

cp's OEIS Frontend

A179331 E.g.f. satisfies: A(x) = (1-x)/(1-3*x) * A(x*(1-x)^2).

Table of values

List of values

A179331 E.g.f. satisfies: A(x) = (1-x)/(1-3x) A(x*(1-x)^2).