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A253606
as a simple table
n
a(n)
1
3
2
4
3
8
4
9
5
22
6
33
7
43
8
54
9
59
10
73
11
222
12
233
13
353
14
712
15
777
16
22224
[3,4,8,9,22,33,43,54,59,73,222,233,353,712,777, 22224]