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A288217 as a simple table

na(n)
11
22
34
45
57
69
710
811
913
1014
1115
1216
1318
1419
1521
1623
1724
1825
1926
2027
2129
2231
2332
2433
2534
2636
2737
2838
2940
3041
3143
3245
3346
3447
3549
3650
3751
3852
3954
4055
4156
4258
4359
4461
4563
4664
4765
4866
4968
5070
5171
5272
5373
5474
5576
5677
5779
5881
5982
6083
6184
6285
6387
6489
6590
6691

[1,2,4,5,7,9,10,11,13,14,15,16,18,19,21,23,24,25,
 26,27,29,31,32,33,34,36,37,38,40,41,43,45,46,47,
 49,50,51,52,54,55,56,58,59,61,63,64,65,66,68,70,
 71,72,73,74,76,77,79,81,82,83,84,85,87,89,90,91]