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A243992 as a simple table

na(n)
11
22
310
43
54
65
76
87
98
109
1121
1220
1312
1422
1513
1623
1731
1824
1925
2041
2126
2227
2328
2414
2529
2630
2732
2815
2933
3034
3135
3251
3336
3437
3538
3639
3740
3842
3943
4044
4145
4246
4316
4447
4548
4649
4750
4852
4953
5054
5155
5256
5317

[1,2,10,3,4,5,6,7,8,9,21,20,12,22,13,23,31,24,25,
 41,26,27,28,14,29,30,32,15,33,34,35,51,36,37,38,
 39,40,42,43,44,45,46,16,47,48,49,50,52,53,54,55,
 56,17]