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A207560 as a simple table

na(n)
19
281
3241
4636
52135
66709
723276
878733
9277781
10973608
113477827
1212422849
1344780404
14161681185
15586480585
162130883040
177761845079
1828308582237
19103395253764
20377977638085
211382951559309
225062965194920
2318545296800603

[9,81,241,636,2135,6709,23276,78733,277781,973608,
 3477827,12422849,44780404,161681185,586480585,
 2130883040,7761845079,28308582237,103395253764,
 377977638085,1382951559309,5062965194920,
 18545296800603]