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A291576 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1211
1311
147
1511
168
1711
189
1911
2010
217
2211
2311
248
2511
2611
279
287
2911
3010
3111
328
3311
3411
357
369
3711
3811
3911
408
4111
427
4311
4411
459
4611
4711
488
497
5010
5111
5211
5311
549
5511
567
5711
5811
5911
6010
6111
6211
637
648
6511
6611
6711
6811
6911
707

[1,2,3,4,5,6,7,8,9,10,11,11,11,7,11,8,11,9,11,10,
 7,11,11,8,11,11,9,7,11,10,11,8,11,11,7,9,11,11,11,
 8,11,7,11,11,9,11,11,8,7,10,11,11,11,9,11,7,11,11,
 11,10,11,11,7,8,11,11,11,11,11,7]