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A123981 as a simple table

na(n)
11
23
38
438
553
668
771
873
9106
10108
11123
12166
13173
14186
15221
16288
17326
18333
19376
20386
21456
22458
23516
24656
25711
26738
27788
28871
29981
301076
311083
321146
331156
341158
351173
361193
371303
381338
391503
401618
411706
421741
431751
441776
451781
461796
471856
481886
491921
501963

[1,3,8,38,53,68,71,73,106,108,123,166,173,186,221,
 288,326,333,376,386,456,458,516,656,711,738,788,
 871,981,1076,1083,1146,1156,1158,1173,1193,1303,
 1338,1503,1618,1706,1741,1751,1776,1781,1796,1856,
 1886,1921,1963]