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A028351 as a simple table

na(n)
11
20
31
41
55
69
733
885
9276
10827
112693
128626
1328639
1495393
15323367
161104525
173813797
1813266366
1946509357
20164098390

[1,0,1,1,5,9,33,85,276,827,2693,8626,28639,95393,
 323367,1104525,3813797,13266366,46509357,
 164098390]