A373681 - cp's OEIS frontend

A373681 Expansion of e.g.f. exp(x / (1 - x^2)^2) / (1 - x^2).

n	a(n)
0	1
1	1
2	3
3	19
4	85
5	861
6	6391
7	74383
8	822249
9	10724185
10	156044971
11	2331428331
12	40840033213
13	706624333429
14	14138302767135
15	281981427966631
16	6273491346471121
17	142296558637593393
18	3475950835899954259
19	88235303457193306435
20	2351639524607386287141

[1, 1, 3, 19, 85, 861, 6391, 74383, 822249, 10724185, 156044971, 2331428331, 40840033213, 706624333429, 14138302767135, 281981427966631, 6273491346471121, 142296558637593393, 3475950835899954259, 88235303457193306435, 2351639524607386287141]

cp's OEIS Frontend

A373681 Expansion of e.g.f. exp(x / (1 - x^2)^2) / (1 - x^2).

Table of values

List of values