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A252687 as a simple table

na(n)
146
2142
3134
41480
5568
618940
72592
8255112
912400
103480808
1160728
1247653672
13302104
14653003512
151520088

[46,142,134,1480,568,18940,2592,255112,12400,
 3480808,60728,47653672,302104,653003512,1520088]