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A231455 as a simple table

na(n)
1492
25643
354868
4738459
59796477
6144109697
72112748453
832019266420
9485170357093
107429808973717
11113778434951707
121748064728994801
1326855530210166200
14412973901119461490
156350209893633300189

[492,5643,54868,738459,9796477,144109697,
 2112748453,32019266420,485170357093,7429808973717,
 113778434951707,1748064728994801,
 26855530210166200,412973901119461490,
 6350209893633300189]