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A204320 as a simple table

na(n)
1900
215309
315309
4296570
5599534
6296570
73885869
824722349
924722349
103885869
1161395233
12610123426
132434061311
14610123426
1561395233
16998872022
1719542294660
18117341267705
19117341267705
2019542294660
21998872022
2215147453273

[900,15309,15309,296570,599534,296570,3885869,
 24722349,24722349,3885869,61395233,610123426,
 2434061311,610123426,61395233,998872022,
 19542294660,117341267705,117341267705,19542294660,
 998872022,15147453273]