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A081347 as a simple table

na(n)
01
12
23
312
413
530
631
756
857
990
1091
11132
12133
13182
14183
15240
16241
17306
18307
19380
20381
21462
22463
23552
24553
25650
26651
27756
28757
29870
30871
31992
32993
331122
341123
351260
361261
371406
381407
391560
401561
411722
421723
431892
441893
452070
462071
472256
482257
492450
502451

[1,2,3,12,13,30,31,56,57,90,91,132,133,182,183,
 240,241,306,307,380,381,462,463,552,553,650,651,
 756,757,870,871,992,993,1122,1123,1260,1261,1406,
 1407,1560,1561,1722,1723,1892,1893,2070,2071,2256,
 2257,2450,2451]