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A319001 as a simple table

na(n)
01
11
23
37
418
542
6105
7248
8606
91450
103507
118415
1220305
1348785
14117502
15282574
16680137
171636005
183936841
199470776
2022787529
2154822530
22131901491
23317336519
24763489051
251836862947
264419324581
2710632404189
2825580507505
2961543948594
30148068421107

[1,1,3,7,18,42,105,248,606,1450,3507,8415,20305,
 48785,117502,282574,680137,1636005,3936841,
 9470776,22787529,54822530,131901491,317336519,
 763489051,1836862947,4419324581,10632404189,
 25580507505,61543948594,148068421107]