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A252649 as a simple table

na(n)
11
22
33
44
55
66
77
87
98
109
1110
1210
1311
1412
1512
1612
1713
1814
1915
2015
2115
2216
2317
2417
2518
2619
2720
2820
2921
3021
3122
3222
3322
3423
3523
3623
3724
3825
3925
4025
4126
4226
4327
4427
4527
4628
4729
4829
4930
5031
5131
5231
5332
5433
5533
5633
5733
5834
5935
6035
6136
6237
6337
6437
6537
6637
6738
6838
6938
7038
7139
7239
7340
7441
7541
7641
7741
7841
7942
8042
8143
8244
8345
8445
8545
8646
8746
8846
8947
9047
9147
9247
9347
9448
9548
9648
9749
9850
9950
10050

[1,2,3,4,5,6,7,7,8,9,10,10,11,12,12,12,13,14,15,
 15,15,16,17,17,18,19,20,20,21,21,22,22,22,23,23,
 23,24,25,25,25,26,26,27,27,27,28,29,29,30,31,31,
 31,32,33,33,33,33,34,35,35,36,37,37,37,37,37,38,
 38,38,38,39,39,40,41,41,41,41,41,42,42,43,44,45,
 45,45,46,46,46,47,47,47,47,47,48,48,48,49,50,50,
 50]