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A331240 as a simple table

na(n)
10
21
33
47
514
622
734
847
967
1091
11117
12148
13187
14231
15281
16334
17400
18469
19548
20631
21727
22830
23943
241062
251202
261339
271490
281657
291833
302024
312226
322434
332662
342905
353155
363427
373712
384014
394321
404653
415005
425362
435749
446141
456558
466994
477440
487911
498408
508917

[0,1,3,7,14,22,34,47,67,91,117,148,187,231,281,
 334,400,469,548,631,727,830,943,1062,1202,1339,
 1490,1657,1833,2024,2226,2434,2662,2905,3155,3427,
 3712,4014,4321,4653,5005,5362,5749,6141,6558,6994,
 7440,7911,8408,8917]