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A204316 as a simple table

na(n)
1900
215309
3296570
43885869
561395233
6998872022
715147453273
8236632580900
93720926905272
1057768732597137
11901307564666548
1214081696214168287
13219500595457550601
143424308851127979049
1553436023878129018975

[900,15309,296570,3885869,61395233,998872022,
 15147453273,236632580900,3720926905272,
 57768732597137,901307564666548,14081696214168287,
 219500595457550601,3424308851127979049,
 53436023878129018975]