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A271793 as a simple table

na(n)
60
71
828
9416
104658
1145095
12404275
133485508
1429543547
15249503219
162117198929
1718150345636
18157763663783
191393693891866
2012533041906408
21114848421469811
221073139463501186
2310228550424931925
2499466689685460697
25986879431951833062
269989549096908876766

[0,1,28,416,4658,45095,404275,3485508,29543547,
 249503219,2117198929,18150345636,157763663783,
 1393693891866,12533041906408,114848421469811,
 1073139463501186,10228550424931925,
 99466689685460697,986879431951833062,
 9989549096908876766]