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A318228 as a simple table

na(n)
11
21
33
46
513
620
743
858
9115
10171
11323
12379
131034
141135
152321
164327
178915
189212
1933939
2034429
21128414
22234017
23417721
24418976
252931624
265096391
2711770830
2820357876
2964853630
3064858195

[1,1,3,6,13,20,43,58,115,171,323,379,1034,1135,
 2321,4327,8915,9212,33939,34429,128414,234017,
 417721,418976,2931624,5096391,11770830,20357876,
 64853630,64858195]