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A268857 as a simple table

na(n)
05
16
27
39
48
59
612
711
818
911
1011
1110
1213
1316
1419
1519
1623
1725
1835
1925
2032
2127
2237
2330
2446
2539
2645
2730
2831
2929
3027
3132
3232
3339
3434
3529
3634
3731
3834
3936
4033
4131
4229
4334
4431
4542
4637
4736
4845
4948
5064
5145
5260
5350
5467
5558
5666
5768
5872
5972
6079
6175
6280
6367
6469
6573
6665
6756
6861
6952
7053
7160

[5,6,7,9,8,9,12,11,18,11,11,10,13,16,19,19,23,25,
 35,25,32,27,37,30,46,39,45,30,31,29,27,32,32,39,
 34,29,34,31,34,36,33,31,29,34,31,42,37,36,45,48,
 64,45,60,50,67,58,66,68,72,72,79,75,80,67,69,73,
 65,56,61,52,53,60]