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A111545 as a simple table

na(n)
01
12
29
357
4441
53933
639249
7430677
85137641
966103533
10911973249
1113428837477
12210259505241
133489291147933
1461200522593649
151131630622515477
1622007781151434441
17449197758198576333
189603342828706622049

[1,2,9,57,441,3933,39249,430677,5137641,66103533,
 911973249,13428837477,210259505241,3489291147933,
 61200522593649,1131630622515477,22007781151434441,
 449197758198576333,9603342828706622049]