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A305364 as a simple table

na(n)
13
2120
3310
41532
57196
632765
7163682
8791180
93881007
1019185785
1194442736
12466918841
132307509126
1411405401174
1556404226833
16278908057093
171379320204745
186821594426465
1933736893175669
20166853365413519
21825211552764054

[3,120,310,1532,7196,32765,163682,791180,3881007,
 19185785,94442736,466918841,2307509126,
 11405401174,56404226833,278908057093,
 1379320204745,6821594426465,33736893175669,
 166853365413519,825211552764054]