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A008121 as a simple table

na(n)
01
14
210
321
439
561
681
7107
8148
9192
10228
11266
12324
13393
14449
15503
16575
17659
18738
19814
20906
211002
221090
231191
241311
251427
261521
271629
281780
291926
302036
312148
322308
332487
342625
352753
362919
373105
383274
393432
403618
413808
423978
434169
444391
454601
464769
474959

[1,4,10,21,39,61,81,107,148,192,228,266,324,393,
 449,503,575,659,738,814,906,1002,1090,1191,1311,
 1427,1521,1629,1780,1926,2036,2148,2308,2487,2625,
 2753,2919,3105,3274,3432,3618,3808,3978,4169,4391,
 4601,4769,4959]