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A137023 as a simple table

n a(n)
1 1
2 3
3 393
4 115393
5 399143
6 141115393
7 9545449143
8 1191433399143
9 3154543415393
10 4399945449143
11 5595919434143
12 13943993399143
13 39394341115393
14 119143339434143
15 139353311519143
16 333933435515393
17 591534913115393
18 594941544449143
19 599535915449143
20 599995454415393
21 954941544449143

[1,3,393,115393,399143,141115393,9545449143,
 1191433399143,3154543415393,4399945449143,
 5595919434143,13943993399143,39394341115393,
 119143339434143,139353311519143,333933435515393,
 591534913115393,594941544449143,599535915449143,
 599995454415393,954941544449143]

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Last modified January 27 10:39 EST 2022. Contains 350607 sequences. (Running on oeis4.)