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A198512 as a simple table

na(n)
11
22
34
41
55
67
73
88
94
1010
112
126
1313
143
1514
167
1717
189
195
2019
2120
226
2322
241
2512
2613
2725
288
2928
3029
3116
323
3332
3411
3518
364
3734
3819
3912
4035
412
4221
4338
443
4540
466
4715
4824
4943
5017
5147
5227
535
5418
5528
569
571
5820
5931
6010

[1,2,4,1,5,7,3,8,4,10,2,6,13,3,14,7,17,9,5,19,20,
 6,22,1,12,13,25,8,28,29,16,3,32,11,18,4,34,19,12,
 35,2,21,38,3,40,6,15,24,43,17,47,27,5,18,28,9,1,
 20,31,10]