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A003892 as a simple table

na(n)
11
231
331
431
531
631
731
831
931
1031
1131
1231
1331
1431
1531
1631
1731
1832
1933
2033
2133
2233
2333
2433
2533
2633
2733
2833
2933
3033
3133
3233
3333

[1,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,
 31,32,33,33,33,33,33,33,33,33,33,33,33,33,33,33,
 33]