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A000416 as a simple table

na(n)
11
27
328
4105
5357
61197
73857
812300
938430
10118874
11362670
121095430
133271751
149673993
1528310881
1682033609
17235359901
18668779076
191882412994
205249817573
2114510628853

[1,7,28,105,357,1197,3857,12300,38430,118874,
 362670,1095430,3271751,9673993,28310881,82033609,
 235359901,668779076,1882412994,5249817573,
 14510628853]