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A006743 as a simple table

na(n)
31
40
53
62
710
814
940
1074
11176
12358
13798
141670
153626
167638
1716366
1834462
1973230
20153830
21324896
22680514
231430336
242987310
256253712
2613025954
2727176052
2856465878
29117458820
30243507250
31505239264
321045301486

[1,0,3,2,10,14,40,74,176,358,798,1670,3626,7638,
 16366,34462,73230,153830,324896,680514,1430336,
 2987310,6253712,13025954,27176052,56465878,
 117458820,243507250,505239264,1045301486]