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A087452 as a simple table

na(n)
02
11
225
337
4337
5781
64825
714197
872097
9242461
101107625
114017157
1217308657
1365514541
14273218425
151059392917
164338014017
1717050729021
1869106897225
19273715645477
201102998412177
214387586157901
2217623567104025
2370274600998837
24281757406247137

[2,1,25,37,337,781,4825,14197,72097,242461,
 1107625,4017157,17308657,65514541,273218425,
 1059392917,4338014017,17050729021,69106897225,
 273715645477,1102998412177,4387586157901,
 17623567104025,70274600998837,281757406247137]