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A006482 as a simple table

na(n)
11
21
30
42
55
69
714
820
969
10125
11209
12329
13923
141715
153002
165004
1712869
1824309
1943757
2075581
21184755
22352715
23646645
241144065
252704155
265200299
279657699
2817383859
2940116599

[1,1,0,2,5,9,14,20,69,125,209,329,923,1715,3002,
 5004,12869,24309,43757,75581,184755,352715,646645,
 1144065,2704155,5200299,9657699,17383859,40116599]