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A131887 as a simple table

na(n)
13
25
311
419
541
671
7153
8265
9571
10989
112131
123691
137953
1413775
1529681
1651409
17110771
18191861
19413403
20716035
211542841
222672279
235757961
249973081
2521489003
2637220045
2780198051
28138907099
29299303201
30518408351
311117014753
321934726305
334168755811
347220496869
3515558008491
3626947261171

[3,5,11,19,41,71,153,265,571,989,2131,3691,7953,
 13775,29681,51409,110771,191861,413403,716035,
 1542841,2672279,5757961,9973081,21489003,37220045,
 80198051,138907099,299303201,518408351,1117014753,
 1934726305,4168755811,7220496869,15558008491,
 26947261171]