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A084771 as a simple table

na(n)
01
15
233
3245
41921
515525
6127905
71067925
89004545
976499525
10653808673
115614995765
1248416454529
13418895174885
143634723102113
1531616937184725
16275621102802945
172407331941640325
1821061836725455905
19184550106298084725

[1,5,33,245,1921,15525,127905,1067925,9004545,
 76499525,653808673,5614995765,48416454529,
 418895174885,3634723102113,31616937184725,
 275621102802945,2407331941640325,
 21061836725455905,184550106298084725]