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A372423 as a simple table

na(n)
11
21
33
43
545
65
7945
8945
926775
105355
1140579
121826055
132492565075
14356080725
15388911367845
1655558766835
17499751107680825
1855527900853425
1914556250513419389775
20582250020536775591
214689192129680103420375
22426290193607282129125
23595996745972534752011791625
24595996745972534752011791625

[1,1,3,3,45,5,945,945,26775,5355,40579,1826055,
 2492565075,356080725,388911367845,55558766835,
 499751107680825,55527900853425,
 14556250513419389775,582250020536775591,
 4689192129680103420375,426290193607282129125,
 595996745972534752011791625,
 595996745972534752011791625]