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A109452 as a simple table

na(n)
11
21
34
45
521
631
7113
8177
9766
101271
114687
127999
1334412
1460166
15225891
16401201
171702653
183064183
1911646431
2021171246
2188894429
22162966750
23624746839
241153324813
254805206256
268923870307
2734421146489
2864252106507
29266183327326

[1,1,4,5,21,31,113,177,766,1271,4687,7999,34412,
 60166,225891,401201,1702653,3064183,11646431,
 21171246,88894429,162966750,624746839,1153324813,
 4805206256,8923870307,34421146489,64252106507,
 266183327326]