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A276031 as a simple table

na(n)
10
21
32
45
59
614
721
830
941
1054
1170
1289
13110
14135
15164
16195
17231
18272
19315
20364
21419
22476
23540
24611
25684
26765
27854
28945
291045
301154
311265
321386
331517
341650
351794
361949
372106
382275
392456
402639
412835
423044
433255
443480
453719
463960
474216
484487
494760
505049
515354

[0,1,2,5,9,14,21,30,41,54,70,89,110,135,164,195,
 231,272,315,364,419,476,540,611,684,765,854,945,
 1045,1154,1265,1386,1517,1650,1794,1949,2106,2275,
 2456,2639,2835,3044,3255,3480,3719,3960,4216,4487,
 4760,5049,5354]