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A052937 as a simple table

na(n)
02
13
26
313
430
571
6170
7409
8986
92379
105742
1113861
1233462
1380783
14195026
15470833
161136690
172744211
186625110
1915994429
2038613966
2193222359
22225058682
23543339721
241311738122
253166815963
267645370046
2718457556053
2844560482150
29107578520351
30259717522850

[2,3,6,13,30,71,170,409,986,2379,5742,13861,33462,
 80783,195026,470833,1136690,2744211,6625110,
 15994429,38613966,93222359,225058682,543339721,
 1311738122,3166815963,7645370046,18457556053,
 44560482150,107578520351,259717522850]