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A309904 as a simple table

na(n)
00
11
28
3204
4890
5890
651311
7286609
83580781
920875184
10182289612
11747240110
128656547082
138656547082
14105545557489
15783768630338
1615026453160167
17114725244868970
181045247300817798
199187315290370043
2020586210475743186
2120586210475743186

[0,1,8,204,890,890,51311,286609,3580781,20875184,
 182289612,747240110,8656547082,8656547082,
 105545557489,783768630338,15026453160167,
 114725244868970,1045247300817798,9187315290370043,
 20586210475743186,20586210475743186]