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A020730 as a simple table

na(n)
03
17
217
342
4104
5258
6641
71593
83959
99840
1024458
1160793
12151108
13375597
14933592
152320557
165768028
1714337139
1835636713
1988579410
20220174961
21547271804
221360311028
233381219496
248404434755
2520890250880
2651925274519
27129066622961
28320810882887

[3,7,17,42,104,258,641,1593,3959,9840,24458,60793,
 151108,375597,933592,2320557,5768028,14337139,
 35636713,88579410,220174961,547271804,1360311028,
 3381219496,8404434755,20890250880,51925274519,
 129066622961,320810882887]