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A020494 as a simple table

na(n)
01
124
2391
35394
467921
5808164
69257851
7103242534
81128792181
912157176504
10129404822911
111364594578074
1214281107062041
13148528742855244
141536752582181571
1515830742722056014
16162476531910613501

[1,24,391,5394,67921,808164,9257851,103242534,
 1128792181,12157176504,129404822911,1364594578074,
 14281107062041,148528742855244,1536752582181571,
 15830742722056014,162476531910613501]