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A030800 as a simple table

na(n)
12
24
313
452
5264
61589
711123
888989
9800902
108009022
1188099244
121057190930
1313743482102
14192408749440
152886131241604
1646178099865665
17785027697716317
1814130498558893720
19268479472618980693
205369589452379613862

[2,4,13,52,264,1589,11123,88989,800902,8009022,
 88099244,1057190930,13743482102,192408749440,
 2886131241604,46178099865665,785027697716317,
 14130498558893720,268479472618980693,
 5369589452379613862]