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A203998 as a simple table

na(n)
11
23
33
45
55
65
77
88
98
107
119
1211
1311
1411
159
1611
1714
1815
1915
2014
2111
2213
2317
2419
2519
2619
2717
2813
2915
3020
3123
3224
3324
3423
3520
3615
3717
3823
3927
4029
4129
4229
4327
4423
4517
4619
4726
4831
4934
5035
5135
5234
5331
5426
5519
5621
5729
5835
5939
6041
6141
6241
6339
6435
6529
6621
6723
6832
6939
7044

[1,3,3,5,5,5,7,8,8,7,9,11,11,11,9,11,14,15,15,14,
 11,13,17,19,19,19,17,13,15,20,23,24,24,23,20,15,
 17,23,27,29,29,29,27,23,17,19,26,31,34,35,35,34,
 31,26,19,21,29,35,39,41,41,41,39,35,29,21,23,32,
 39,44]