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A174755 as a simple table

na(n)
11
248
34607
4442224
542448897
64074651888
7391124132351
837543842053808
93603817713033217
10345928956609135024
1133205576016763929087
123187389368652728057328
13305956173814645129574401

[1,48,4607,442224,42448897,4074651888,
 391124132351,37543842053808,3603817713033217,
 345928956609135024,33205576016763929087,
 3187389368652728057328,305956173814645129574401]