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A187707 as a simple table

na(n)
12
272
3322
41718
52904
69834
713324
831000
949910
1084760
1198226
12211526
13234336
14325654
15454612
16691052
17742006
181152832
191224538
201765938

[2,72,322,1718,2904,9834,13324,31000,49910,84760,
 98226,211526,234336,325654,454612,691052,742006,
 1152832,1224538,1765938]