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A180665 as a simple table

na(n)
00
11
22
37
417
547
6121
7320
8835
92190
105730
1115006
1239282
13102847
14269252
15704917
161845491
174831565
1812649195
1933116030
2086698885
21226980636
22594243012
231555748412
244073002212
2510663258237
2627916772486
2773087059235

[0,1,2,7,17,47,121,320,835,2190,5730,15006,39282,
 102847,269252,704917,1845491,4831565,12649195,
 33116030,86698885,226980636,594243012,1555748412,
 4073002212,10663258237,27916772486,73087059235]