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A078568 as a simple table

na(n)
111
21121
3111321
411114321
51111154321
6111111654321
711111117654321
81111111187654321
9111111111987654321
10111111111110987654321
11111111111111110987654321
12111111111111121110987654321

[11,1121,111321,11114321,1111154321,111111654321,
 11111117654321,1111111187654321,
 111111111987654321,111111111110987654321,
 111111111111110987654321,
 111111111111121110987654321]