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A145758 as a simple table

n a(n)
1 1
2 1
3 7
4 3
5 46
6 11
7 1486
8 401
9 133777
10 19881
11 31874678
12 3357350
13 19385116046
14 1369262857
15 34450358764096
16 1726253429208
17 166321294438234974
18 5602768757076743
19 2202194423758663223078
20 51308572928072165575

[1,1,7,3,46,11,1486,401,133777,19881,31874678,
 3357350,19385116046,1369262857,34450358764096,
 1726253429208,166321294438234974,5602768757076743,
 2202194423758663223078,51308572928072165575]

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Last modified October 15 17:24 EDT 2019. Contains 328037 sequences. (Running on oeis4.)