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A200725 as a simple table

na(n)
01
11
24
316
476
5399
62206
712664
874790
9451420
102772313
1117267652
12108821293
13692609446
144445642625
1528744599748
16187047449289
171224027357216
188050074481917
1953179900898596
20352726704965748
212348036826102013
2215682048658695168
23105052549830928908
24705678173069959645

[1,1,4,16,76,399,2206,12664,74790,451420,2772313,
 17267652,108821293,692609446,4445642625,
 28744599748,187047449289,1224027357216,
 8050074481917,53179900898596,352726704965748,
 2348036826102013,15682048658695168,
 105052549830928908,705678173069959645]