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A312999 as a simple table

na(n)
01
14
29
314
417
522
626
733
836
943
1047
1152
1254
1362
1466
1573
1673
1783
1885
1993
2093
21104
22105
23114
24113
25122
26120
27128
28131
29143
30145
31153
32153
33160
34158
35166
36171
37182
38185
39192
40191
41195
42193
43204
44210
45222
46224
47232
48229
49233

[1,4,9,14,17,22,26,33,36,43,47,52,54,62,66,73,73,
 83,85,93,93,104,105,114,113,122,120,128,131,143,
 145,153,153,160,158,166,171,182,185,192,191,195,
 193,204,210,222,224,232,229,233]