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A342501 as a simple table

na(n)
11
20
32
40
56
66
70
838
984
1024
110
12390
131710
14840
15120
160
176062
1849740
1936840
208280
21720
220
23134526
242050566
252184000
26646800
2785680
285040
290
304172198
31118645044
32177549624
3365313360
3410735200
35947520
3640320

[1,0,2,0,6,6,0,38,84,24,0,390,1710,840,120,0,6062,
 49740,36840,8280,720,0,134526,2050566,2184000,
 646800,85680,5040,0,4172198,118645044,177549624,
 65313360,10735200,947520,40320]