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A355191 as a simple table

na(n)
01
11
22
33
44
56
610
720
836
972
10162
11352
12810
131872
144480
1511088
1627720
1771280
18186368
19496128
201347192
213720960
2210407936
2329576988
2485322160
25249500160
26738904320
272216712960
286732000000
2920680540160
3064257392640
31201852518400
32640832000000
332055425699250
346658777165824
3521781337550336

[1,1,2,3,4,6,10,20,36,72,162,352,810,1872,4480,
 11088,27720,71280,186368,496128,1347192,3720960,
 10407936,29576988,85322160,249500160,738904320,
 2216712960,6732000000,20680540160,64257392640,
 201852518400,640832000000,2055425699250,
 6658777165824,21781337550336]