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A080042 as a simple table

na(n)
02
14
222
3100
4466
52164
610054
746708
8216994
91008100
104683382
1121757828
12101081458
13469599316
142181641638
1510135364500
1647086382914
17218751625156
181016265649366
194721317472932
2021934066839826
21101900219778100

[2,4,22,100,466,2164,10054,46708,216994,1008100,
 4683382,21757828,101081458,469599316,2181641638,
 10135364500,47086382914,218751625156,
 1016265649366,4721317472932,21934066839826,
 101900219778100]