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A221298 as a simple table

na(n)
17
2137
32899
463285
51388449
630470039
7668597561
814670167777
9321884724335
107062604183157
11154963457975564
123400115973075187
1374603320698028720
141636901638052641061
1535915920751086533900
16788045737139163431901

[7,137,2899,63285,1388449,30470039,668597561,
 14670167777,321884724335,7062604183157,
 154963457975564,3400115973075187,
 74603320698028720,1636901638052641061,
 35915920751086533900,788045737139163431901]