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A220687 as a simple table

n a(n)
1 1
2 1081
3 362057
4 128995678
5 42362190063
6 14108684022136
7 4701615485821782
8 1566852499542855296
9 522108399243273023731
10 173978947909208417520148
11 57974051497341052095013087
12 19318375776055542860988503113

[1,1081,362057,128995678,42362190063,
 14108684022136,4701615485821782,
 1566852499542855296,522108399243273023731,
 173978947909208417520148,
 57974051497341052095013087,
 19318375776055542860988503113]

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Last modified June 17 21:09 EDT 2024. Contains 373464 sequences. (Running on oeis4.)