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A134810 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
10121
11232
12343
13454
14565
15676
16787
17898
1812321
1923432
2034543
2145654
2256765
2367876
2478987
251234321
262345432
273456543
284567654
295678765
306789876
31123454321
32234565432
33345676543
34456787654
35567898765
3612345654321
3723456765432

[1,2,3,4,5,6,7,8,9,121,232,343,454,565,676,787,
 898,12321,23432,34543,45654,56765,67876,78987,
 1234321,2345432,3456543,4567654,5678765,6789876,
 123454321,234565432,345676543,456787654,567898765,
 12345654321,23456765432]