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A033971 as a simple table

na(n)
01
130
215
3436
4218
5109
63162
71581
845850
922925
10664826
11332413
129639978
134819989
14139779682
1569889841
162026805390
171013402695
1829388678156
1914694339078
207347169539
21213067916632
22106533958316

[1,30,15,436,218,109,3162,1581,45850,22925,664826,
 332413,9639978,4819989,139779682,69889841,
 2026805390,1013402695,29388678156,14694339078,
 7347169539,213067916632,106533958316]