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A163686 as a simple table

na(n)
11
25
317
439
583
6175
7375
8807
91732
103690
117805
1216441
1334605
1472893
15153653
16323917
17682654
181438292
193030059
206383675
2113449863
2228338555
2359708355
24125801331
25265051912
26558439806
271176585241
282478972461
295223002977
3011004454185

[1,5,17,39,83,175,375,807,1732,3690,7805,16441,
 34605,72893,153653,323917,682654,1438292,3030059,
 6383675,13449863,28338555,59708355,125801331,
 265051912,558439806,1176585241,2478972461,
 5223002977,11004454185]