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A103439 as a simple table

na(n)
00
11
23
37
416
539
6105
7315
81048
93829
1015207
1165071
12297840
131449755
147468541
1540555747
16231335960
171381989881
188623700811
1956078446615
20379233142800
212662013133295
2219362917622001
23145719550012299
241133023004941272
259090156910550109
2675161929739797519

[0,1,3,7,16,39,105,315,1048,3829,15207,65071,
 297840,1449755,7468541,40555747,231335960,
 1381989881,8623700811,56078446615,379233142800,
 2662013133295,19362917622001,145719550012299,
 1133023004941272,9090156910550109,
 75161929739797519]