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A047958 as a simple table

na(n)
01
14
212
317
430
548
672
799
8128
9160
10199
11246
12295
13339
14396
15461
16518
17589
18669
19734
20832
21911
22988
231090
241192
251287
261398
271502
281625
291754
301851
311991
322112
332262
342410
352527
362700
372844
382994
393172
403299
413502
423658
433838
444045
454187
464414

[1,4,12,17,30,48,72,99,128,160,199,246,295,339,
 396,461,518,589,669,734,832,911,988,1090,1192,
 1287,1398,1502,1625,1754,1851,1991,2112,2262,2410,
 2527,2700,2844,2994,3172,3299,3502,3658,3838,4045,
 4187,4414]