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A300112 as a simple table

na(n)
13
223
363
4515
53776
628935
7212470
81560065
911874071
1089657570
11673151916
125084857810
1338419116117
14289855498173
152187847733010
1616520252054586
17124719171802820
18941517564864563
197108226078494466
2053665231758411540

[3,23,63,515,3776,28935,212470,1560065,11874071,
 89657570,673151916,5084857810,38419116117,
 289855498173,2187847733010,16520252054586,
 124719171802820,941517564864563,7108226078494466,
 53665231758411540]