A345657 - OEIS

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A345657 as a simple table

n	a(n)
0	1
1	0
2	0
3	0
4	196848
5	24576
6	17356032
7	6782976
8	448438518
9	274735104
10	5823343872
11	4366565376
12	48362165472
13	39912726528
14	292010062848
15	253343072256
16	1393763244336
17	1241347399680
18	5550621292032
19	5010361122816

[1,0,0,0,196848,24576,17356032,6782976,448438518, 274735104,5823343872,4366565376,48362165472, 39912726528,292010062848,253343072256, 1393763244336,1241347399680,5550621292032, 5010361122816]