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A187021 as a simple table

na(n)
01
12
213
3136
41921
533876
6712909
717383584
8481003009
914869654300
10507406003501
1118928740714192
12765897591633409
1333392080668673832
141559976990077534253
1577717020110946293376
164111810085670587224065
17230190619432401207833004
1813591965974806603671569101

[1,2,13,136,1921,33876,712909,17383584,481003009,
 14869654300,507406003501,18928740714192,
 765897591633409,33392080668673832,
 1559976990077534253,77717020110946293376,
 4111810085670587224065,230190619432401207833004,
 13591965974806603671569101]