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A247690 as a simple table

na(n)
112131
219187
320276
420568
524340
626760
731639
831999
932968
1034507
1135367
1241583
1341671
1443307
1557079
1664196
1773731
1885796
1987720
2093823
2195691

[12131,19187,20276,20568,24340,26760,31639,31999,
 32968,34507,35367,41583,41671,43307,57079,64196,
 73731,85796,87720,93823,95691]