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A297817 as a simple table

na(n)
11
24
317
449
5166
6573
71933
86538
922165
1075089
11254350
12861661
132919029
149888610
1533499125
16113483321
17384441606
181302353053
194411914717
2014946017274
2150631856149
22171522942625
23581059476926
241968425392285
256668333757637

[1,4,17,49,166,573,1933,6538,22165,75089,254350,
 861661,2919029,9888610,33499125,113483321,
 384441606,1302353053,4411914717,14946017274,
 50631856149,171522942625,581059476926,
 1968425392285,6668333757637]