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A284926 as a simple table

na(n)
11
231
3244
4991
53126
67564
716808
831711
959293
1096906
11161052
12241804
13371294
14521048
15762744
161014751
171419858
181838083
192476100
203097866
214101152
224992612
236436344
247737484
259768751
2611510114
2714408200
2816656728
2920511150
3023645064
3128629152
3232472031
3339296688

[1,31,244,991,3126,7564,16808,31711,59293,96906,
 161052,241804,371294,521048,762744,1014751,
 1419858,1838083,2476100,3097866,4101152,4992612,
 6436344,7737484,9768751,11510114,14408200,
 16656728,20511150,23645064,28629152,32472031,
 39296688]