A365980 - cp's OEIS frontend

A365980 Expansion of e.g.f. 1 / ( 1 - Sum_{k>=0} x^(2k+3) / (2k+3) ).

n	a(n)
0	1
1	0
2	0
3	2
4	0
5	24
6	80
7	720
8	5376
9	53760
10	490752
11	6289920
12	68766720
13	1024607232
14	13520332800
15	226177695744
16	3498759290880
17	65257155624960
18	1153246338220032
19	23793010526453760
20	472374431008948224
21	10686755493583257600
22	235406405307208826880

[1, 0, 0, 2, 0, 24, 80, 720, 5376, 53760, 490752, 6289920, 68766720, 1024607232, 13520332800, 226177695744, 3498759290880, 65257155624960, 1153246338220032, 23793010526453760, 472374431008948224, 10686755493583257600, 235406405307208826880]

cp's OEIS Frontend

A365980 Expansion of e.g.f. 1 / ( 1 - Sum_{k>=0} x^(2k+3) / (2k+3) ).

Table of values

List of values

cp's OEIS Frontend

A365980 Expansion of e.g.f. 1 / ( 1 - Sum_{k>=0} x^(2*k+3) / (2*k+3) ).

Table of values

List of values

A365980 Expansion of e.g.f. 1 / ( 1 - Sum_{k>=0} x^(2k+3) / (2k+3) ).