A179199 - cp's OEIS frontend

A179199 E.g.f. satisfies: A(x) = (1+x)/(1+2x)A(x+x^2) with A(0)=0.

n	a(n)
0	0
1	1
2	-2
3	9
4	-64
5	620
6	-7536
7	109032
8	-1809984
9	33562944
10	-681799680
11	14980204800
12	-354016189440
13	9017296704000
14	-249422713344000
15	7530733353024000
16	-246212297533440000
17	8509848430274150400
18	-302719894872204902400

[0, 1, -2, 9, -64, 620, -7536, 109032, -1809984, 33562944, -681799680, 14980204800, -354016189440, 9017296704000, -249422713344000, 7530733353024000, -246212297533440000, 8509848430274150400, -302719894872204902400]

cp's OEIS Frontend

A179199 E.g.f. satisfies: A(x) = (1+x)/(1+2x)A(x+x^2) with A(0)=0.

Table of values

List of values

cp's OEIS Frontend

A179199 E.g.f. satisfies: A(x) = (1+x)/(1+2*x)*A(x+x^2) with A(0)=0.

Table of values

List of values

A179199 E.g.f. satisfies: A(x) = (1+x)/(1+2x)A(x+x^2) with A(0)=0.