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A254357 as a simple table

na(n)
172939
2998646
314816409
4179564001
51960008103
620623554260
7209075168007
82066266192012
920125123063477
10194086990444845
111859060109937101
1217729134060750801
13168588003865853392
141600026587205974305

[72939,998646,14816409,179564001,1960008103,
 20623554260,209075168007,2066266192012,
 20125123063477,194086990444845,1859060109937101,
 17729134060750801,168588003865853392,
 1600026587205974305]