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A057491 as a simple table

na(n)
11
22
34
410
517
650
762
8221
9250
10253
11289
12290
13316
14697
15764
161250
171819
183590
194913
206250
2131250
2254043
2355913
2463869
2583521
2698923
27156250
28231250
29530893
30781250
31987110
321419857
332383750
343906250
354531250
366891250
378789357
389593750
3912479450
4018458141
4119531250

[1,2,4,10,17,50,62,221,250,253,289,290,316,697,
 764,1250,1819,3590,4913,6250,31250,54043,55913,
 63869,83521,98923,156250,231250,530893,781250,
 987110,1419857,2383750,3906250,4531250,6891250,
 8789357,9593750,12479450,18458141,19531250]