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A208290 as a simple table

na(n)
112
2144
3636
43900
521096
6119580
7665892
83733080
920874900
10116842500
11653759952
123658440924
1320471559852
14114555114720
15641024680212
163587040344820
1720072307438840
18112320368080068
19628520819264292

[12,144,636,3900,21096,119580,665892,3733080,
 20874900,116842500,653759952,3658440924,
 20471559852,114555114720,641024680212,
 3587040344820,20072307438840,112320368080068,
 628520819264292]