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A037650 as a simple table

na(n)
13
224
3193
41547
512376
699009
7792075
86336600
950692801
10405542411
113244339288
1225954714305
13207637714443
141661101715544
1513288813724353
16106310509794827
17850484078358616
186803872626868929

[3,24,193,1547,12376,99009,792075,6336600,
 50692801,405542411,3244339288,25954714305,
 207637714443,1661101715544,13288813724353,
 106310509794827,850484078358616,6803872626868929]