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A018849 as a simple table

n a(n)
1 0
2 1
3 121
4 6889
5 10201
6 69169
7 1002001
8 5221225
9 100020001
10 109181601
11 522808225
12 602555209
13 10000200001
14 62188888129
15 1000002000001
16 1212225222121
17 100000020000001
18 10000000200000001
19 10022212521222001
20 12102202520220121

[0,1,121,6889,10201,69169,1002001,5221225,
 100020001,109181601,522808225,602555209,
 10000200001,62188888129,1000002000001,
 1212225222121,100000020000001,10000000200000001,
 10022212521222001,12102202520220121]

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Last modified May 15 20:23 EDT 2021. Contains 343920 sequences. (Running on oeis4.)