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A305449 as a simple table

na(n)
13
251
344
4169
51275
62697
713128
858608
9222877
10971263
114509456
1220052817
1389962877
14429934611
152010364493
169342799726
1745060857343
18214803238622
191018900098942
204925205324903
2123663249399671
22113385119300854

[3,51,44,169,1275,2697,13128,58608,222877,971263,
 4509456,20052817,89962877,429934611,2010364493,
 9342799726,45060857343,214803238622,1018900098942,
 4925205324903,23663249399671,113385119300854]