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A005621 as a simple table

na(n)
11
24
36
47
59
613
721
846
971
10109
11168
12265
13417
14562
151051
161677
172484
184053
196601
2010738
2117979
2228997
2346800
2475573
25120697
26197306
27318939
28515665
29830216
301343949
312181261
323528334
335698111
349233541
3514938080

[1,4,6,7,9,13,21,46,71,109,168,265,417,562,1051,
 1677,2484,4053,6601,10738,17979,28997,46800,75573,
 120697,197306,318939,515665,830216,1343949,
 2181261,3528334,5698111,9233541,14938080]