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A287700 as a simple table

na(n)
00
11
2346
36219
436628
5124405
6316206
7672511
81267624
92189673
103540610
115436211
128006076
1311393629
1415756118
1521264615
1628104016
1736473041
1846584234
1958663963
2072952420
2189703621
22109185406
23131679439
24157481208
25186900025
26220259026
27257895171
28300159244

[0,1,346,6219,36628,124405,316206,672511,1267624,
 2189673,3540610,5436211,8006076,11393629,15756118,
 21264615,28104016,36473041,46584234,58663963,
 72952420,89703621,109185406,131679439,157481208,
 186900025,220259026,257895171,300159244]