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A000441 as a simple table

na(n)
10
21
39
434
595
6210
7406
8740
91161
101920
112695
124116
135369
147868
159690
1613640
1716116
1822419
1925365
2034160
2138640
2250622
2355154
2473320
2577225
26100100
27107730
28135576
29141085
30182340
31184760
32233616
33243408
34297738
35301420
36385110
37377511
38467210
39478842

[0,1,9,34,95,210,406,740,1161,1920,2695,4116,5369,
 7868,9690,13640,16116,22419,25365,34160,38640,
 50622,55154,73320,77225,100100,107730,135576,
 141085,182340,184760,233616,243408,297738,301420,
 385110,377511,467210,478842]