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A239270 as a simple table

na(n)
01
11
2171
34945
4331133
517508475
61017093992
757228320561
83263262629905
9185175369431551
1010529540995776143
11598275977865042347
1234004634498887815603
131932504421503220832048
14109831420296006021851427
156242000703148139096486777
16354752087455830720672222391

[1,1,171,4945,331133,17508475,1017093992,
 57228320561,3263262629905,185175369431551,
 10529540995776143,598275977865042347,
 34004634498887815603,1932504421503220832048,
 109831420296006021851427,
 6242000703148139096486777,
 354752087455830720672222391]