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A000422 as a simple table

n a(n)
1 1
2 21
3 321
4 4321
5 54321
6 654321
7 7654321
8 87654321
9 987654321
10 10987654321
11 1110987654321
12 121110987654321
13 13121110987654321
14 1413121110987654321
15 151413121110987654321
16 16151413121110987654321
17 1716151413121110987654321
18 181716151413121110987654321

[1,21,321,4321,54321,654321,7654321,87654321,
 987654321,10987654321,1110987654321,
 121110987654321,13121110987654321,
 1413121110987654321,151413121110987654321,
 16151413121110987654321,1716151413121110987654321,
 181716151413121110987654321]

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Last modified July 25 06:42 EDT 2017. Contains 289779 sequences.