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A355189 as a simple table

na(n)
01
11
21
31
42
54
68
714
832
970
10140
11324
12768
131800
144368
1510800
1627300
1770560
18184800
19494208
201343680
213704400
2210388250
2329560960
2485250880
25249318000
26738720000
272216160000
286729074352
2920675655000
3064245312000
31201819656500
32640760440320

[1,1,1,1,2,4,8,14,32,70,140,324,768,1800,4368,
 10800,27300,70560,184800,494208,1343680,3704400,
 10388250,29560960,85250880,249318000,738720000,
 2216160000,6729074352,20675655000,64245312000,
 201819656500,640760440320]