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A203755 as a simple table

na(n)
11
21
32
49248
51368408064
67012482928301113344
75821608871192502942968054284288
8827078717211493220641742410981240687143117914112
960161773220249337113595772781004931116549061984924929733289475833856

[1,1,2,9248,1368408064,7012482928301113344,
 5821608871192502942968054284288,
 827078717211493220641742410981240687143117914112,
 60161773220249337113595772781004931116549061984924\
 929733289475833856]