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A172031 as a simple table

na(n)
01
11
22
36
43
530
615
770
835
9210
10105
112310
121155
1310010
145005
1530030
1615015
17510510
18255255
193233230
201616615
211939938
22969969
2344618574
2422309287
2574364290
2637182145
27223092870
28111546435
296469693230
303234846615
3166853496710
3233426748355
33200560490130

[1,1,2,6,3,30,15,70,35,210,105,2310,1155,10010,
 5005,30030,15015,510510,255255,3233230,1616615,
 1939938,969969,44618574,22309287,74364290,
 37182145,223092870,111546435,6469693230,
 3234846615,66853496710,33426748355,200560490130]