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A221374 as a simple table

na(n)
13
219
3139
41035
57723
657643
7430251
83211435
923970475
10178918059
111335462571
129968028331
1374402376363
14555346897579
154145165675179
1630939937811115
17230938839788203
181723750967061163
1912866252377336491
2096035015150447275

[3,19,139,1035,7723,57643,430251,3211435,23970475,
 178918059,1335462571,9968028331,74402376363,
 555346897579,4145165675179,30939937811115,
 230938839788203,1723750967061163,
 12866252377336491,96035015150447275]