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A266353 as a simple table

na(n)
01
14
210
320
435
557
689
7136
8205
9306
10454
11671
12989
131455
142138
153139
164606
176756
189907
1914525
2021293
2131212
2245749
2367054
2498278
25144039
26211105
27309395
28453446
29664563
30973970
311427428
322092003
333065985
344493425
356585440
369651437
3714144874
3820730326
3930381775

[1,4,10,20,35,57,89,136,205,306,454,671,989,1455,
 2138,3139,4606,6756,9907,14525,21293,31212,45749,
 67054,98278,144039,211105,309395,453446,664563,
 973970,1427428,2092003,3065985,4493425,6585440,
 9651437,14144874,20730326,30381775]