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A296254 as a simple table

na(n)
02
13
221
349
4106
5204
6374
7659
81133
91913
103190
115272
128658
1314155
1423069
1537513
1660906
1798780
18160086
19259350
20419965
21679891
221100481
231781048
242882258
254664090
267547189
2712212179
2819760329
2931973532
3051734950
3183709638
32135445813
33219156747
34354603929

[2,3,21,49,106,204,374,659,1133,1913,3190,5272,
 8658,14155,23069,37513,60906,98780,160086,259350,
 419965,679891,1100481,1781048,2882258,4664090,
 7547189,12212179,19760329,31973532,51734950,
 83709638,135445813,219156747,354603929]