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A234087 as a simple table

na(n)
128328
2344540
34090992
457076708
5823143024
613168405216
7214483249704
83711975533472
964246460032836
101150864376136480
1120469019441033652
12371687182929667148
136694161103055846196
14122196071667005302192

[28328,344540,4090992,57076708,823143024,
 13168405216,214483249704,3711975533472,
 64246460032836,1150864376136480,20469019441033652,
 371687182929667148,6694161103055846196,
 122196071667005302192]