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A291734 as a simple table

na(n)
03
17
218
345
4108
5258
6615
71459
83453
98164
1019287
1145540
12107496
13253695
14598659
151412587
163332970
177863853
1818553752
1943774722
20103279023
21243668295
22574890057
231356344056
243200033343
257549859464
2617812425600
2742024945087
2899149648967
29233924207559

[3,7,18,45,108,258,615,1459,3453,8164,19287,45540,
 107496,253695,598659,1412587,3332970,7863853,
 18553752,43774722,103279023,243668295,574890057,
 1356344056,3200033343,7549859464,17812425600,
 42024945087,99149648967,233924207559]