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A198723 as a simple table

na(n)
11
21
31
42
54
62
75
834
934
105
1115
12499
132027
14499
1515
1652
1710507
18232841
19232841
2010507
2152
22203
23272410
2434003792
25173549032
2634003792
27272410
28203
29876
307817980
315315840795
32141168480719
33141168480719
345315840795
357817980
36876
374111

[1,1,1,2,4,2,5,34,34,5,15,499,2027,499,15,52,
 10507,232841,232841,10507,52,203,272410,34003792,
 173549032,34003792,272410,203,876,7817980,
 5315840795,141168480719,141168480719,5315840795,
 7817980,876,4111]