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A073520 as a simple table

na(n)
12
20
34440084513
4258
5313
6484
7797
82016
92211
102862
114507
126188
136325
149660
1512669
1613016
1716857
1819530
1923069
2028184
2138761
2246302
2342515
2449846
2559087
2670260
2773385
2878960
2997267
3098316
31111023
32124454
33134641
34152952
35163043
36180596
37195975
38218432
39237623
40293182
41276243
42298868

[2,0,4440084513,258,313,484,797,2016,2211,2862,
 4507,6188,6325,9660,12669,13016,16857,19530,23069,
 28184,38761,46302,42515,49846,59087,70260,73385,
 78960,97267,98316,111023,124454,134641,152952,
 163043,180596,195975,218432,237623,293182,276243,
 298868]