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A308204 as a simple table

na(n)
11
21
33
412
564
6402
72972
824884
9233224
102413402
1127321706
12335811420
134453678055
1463403359154
15964550068984
1615618677100569
17268256266076840
184871672594496080
1993282009271337370
201878417037286803586
2139686436905680824542
22877842387051165865980

[1,1,3,12,64,402,2972,24884,233224,2413402,
 27321706,335811420,4453678055,63403359154,
 964550068984,15618677100569,268256266076840,
 4871672594496080,93282009271337370,
 1878417037286803586,39686436905680824542,
 877842387051165865980]