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A031953 as a simple table

na(n)
18
210
311
412
513
614
715
816
917
1019
1120
1221
1322
1423
1524
1625
1726
1828
1929
2030
2131
2232
2333
2434
2535
2637
2738
2839
2940
3041
3142
3243
3344
3446
3547
3648
3749
3850
3951
4052
4153
4255
4356
4457
4558
4659
4760
4861
4962
5064
5165
5272
5374
5475
5576
5677
5778
5879
5981
6082
6189
6291
6397
64100
65105

[8,10,11,12,13,14,15,16,17,19,20,21,22,23,24,25,
 26,28,29,30,31,32,33,34,35,37,38,39,40,41,42,43,
 44,46,47,48,49,50,51,52,53,55,56,57,58,59,60,61,
 62,64,65,72,74,75,76,77,78,79,81,82,89,91,97,100,
 105]