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A331215 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1123
1214
1320
1413
1524
1615
1726
1817
1925
2016
2127
2218
2329
2430
2512
2634
2719
2828
2931
3040
3121
3235
3341
3432
3545
3636
3742
3837
3946
4038
4147
4239
4348
4450
4543
4651
4749
4852
4960
5053
5161
5254
5362
5457
5563
5658
5764
5859
5967
6080
6156
6270
6381
6465
6571
6668
6772
6869
6973
7082
7174
7283
7375
7484
7576
7685
7779
7886
79102

[1,2,3,4,5,6,7,8,9,10,23,14,20,13,24,15,26,17,25,
 16,27,18,29,30,12,34,19,28,31,40,21,35,41,32,45,
 36,42,37,46,38,47,39,48,50,43,51,49,52,60,53,61,
 54,62,57,63,58,64,59,67,80,56,70,81,65,71,68,72,
 69,73,82,74,83,75,84,76,85,79,86,102]