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A038112 as a simple table

na(n)
01
12
29
340
4190
5924
64578
722968
8116325
9593450
103045185
1115699840
1281260816
13421993040
142197653240
1511472991008
1660023749566
17314621200260
181651883008050
198685998428800
2045734484854520
21241098942106440
221272406536645660

[1,2,9,40,190,924,4578,22968,116325,593450,
 3045185,15699840,81260816,421993040,2197653240,
 11472991008,60023749566,314621200260,
 1651883008050,8685998428800,45734484854520,
 241098942106440,1272406536645660]