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A113698 as a simple table

na(n)
11
22
312
43
513
623
7123
84
914
1024
1134
12124
13134
14234
151234
165
1715
1825
1935
2045
21125
22135
23145
24235
25245
26345
271235
281245
291345
302345
3112345
326
3316
3426
3536
3646
3756
38126
39136
40146
41156
42236
43246
44256
45346
46356
47456
481236
491246
501256
511346
521356
531456
542346
552356

[1,2,12,3,13,23,123,4,14,24,34,124,134,234,1234,5,
 15,25,35,45,125,135,145,235,245,345,1235,1245,
 1345,2345,12345,6,16,26,36,46,56,126,136,146,156,
 236,246,256,346,356,456,1236,1246,1256,1346,1356,
 1456,2346,2356]