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A288772 as a simple table

na(n)
11
22
34
44
56
68
78
88
911
1013
1113
1214
1314
1417
1519
1619
1719
1821
1921
2024
2126
2226
2326
2426
2529
2629
2732
2834
2934
3034
3134
3234
3338
3438
3541
3643
3743
3843
3944
4044
4144
4248
4348
4451
4553
4653
4753
4853
4955
5055
5156
5259
5359
5462
5564
5664
5764
5864
5964
6067
6167
6267
6371
6471
6574
6676
6776
6876
6976
7076
7176
7280
7380
7480
7584
7684
7787
7889
7989
8089
8189

[1,2,4,4,6,8,8,8,11,13,13,14,14,17,19,19,19,21,21,
 24,26,26,26,26,29,29,32,34,34,34,34,34,38,38,41,
 43,43,43,44,44,44,48,48,51,53,53,53,53,55,55,56,
 59,59,62,64,64,64,64,64,67,67,67,71,71,74,76,76,
 76,76,76,76,80,80,80,84,84,87,89,89,89,89]