A293488 - cp's OEIS frontend

A293488 E.g.f.: Product_{m>0} (1 + x^(2m-1) + x^(4m-2)/2!).

n	a(n)
0	1
1	1
2	1
3	6
4	24
5	180
6	1080
7	10080
8	90720
9	907200
10	10886400
11	139708800
12	2035756800
13	29578348800
14	479480601600
15	7846046208000
16	146459529216000
17	2845499424768000
18	58421660064768000
19	1246862279190528000
20	28586598596075520000
21	664182248232222720000

[1, 1, 1, 6, 24, 180, 1080, 10080, 90720, 907200, 10886400, 139708800, 2035756800, 29578348800, 479480601600, 7846046208000, 146459529216000, 2845499424768000, 58421660064768000, 1246862279190528000, 28586598596075520000, 664182248232222720000]

cp's OEIS Frontend

A293488 E.g.f.: Product_{m>0} (1 + x^(2m-1) + x^(4m-2)/2!).

Table of values

List of values

cp's OEIS Frontend

A293488 E.g.f.: Product_{m>0} (1 + x^(2*m-1) + x^(4*m-2)/2!).

Table of values

List of values

A293488 E.g.f.: Product_{m>0} (1 + x^(2m-1) + x^(4m-2)/2!).