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A090749 as a simple table

na(n)
51
612
790
8544
92907
1014364
1167298
12303600
131332045
145722860
1524192090
16100975680
17417225900
181709984304
196962078952
2028192122176
21113649492522
22456442180920
231827459250276
247297426411968
2529075683360185
26115631433392020
27459124809056550
281820529677650320
297210477496434485

[1,12,90,544,2907,14364,67298,303600,1332045,
 5722860,24192090,100975680,417225900,1709984304,
 6962078952,28192122176,113649492522,456442180920,
 1827459250276,7297426411968,29075683360185,
 115631433392020,459124809056550,1820529677650320,
 7210477496434485]