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A298300 as a simple table

na(n)
21
34
411
531
687
7246
8699
91996
105723
1116468
1247533
13137567
14399073
151160082
163378483
179855207
1828790403
1984218052
20246651729
21723165765
222122391109
236234634266
2418330019029
2553932825926
26158802303429
27467898288676
281379485436579
294069450219561

[1,4,11,31,87,246,699,1996,5723,16468,47533,
 137567,399073,1160082,3378483,9855207,28790403,
 84218052,246651729,723165765,2122391109,
 6234634266,18330019029,53932825926,158802303429,
 467898288676,1379485436579,4069450219561]