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A303676 as a simple table

na(n)
11
25
39
428
576
6177
7367
8774
91684
103639
117597
1215617
1332101
1466074
15135096
16274104
17553668
181116275
192245277
204501938
219000074
2217953486
2335749382
2471056212
25140977366
26279246077
27552333115
281091040731

[1,5,9,28,76,177,367,774,1684,3639,7597,15617,
 32101,66074,135096,274104,553668,1116275,2245277,
 4501938,9000074,17953486,35749382,71056212,
 140977366,279246077,552333115,1091040731]