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A097147 as a simple table

na(n)
11
23
37
421
566
6258
71079
84987
925195
10136723
11789438
124863268
1331693715
14217331845
151564583770
1611795630861
1792833623206
18760811482322
196479991883525
2057256139503047
21523919025038279
224956976879724565
2348424420955966635
24487810283307069696

[1,3,7,21,66,258,1079,4987,25195,136723,789438,
 4863268,31693715,217331845,1564583770,11795630861,
 92833623206,760811482322,6479991883525,
 57256139503047,523919025038279,4956976879724565,
 48424420955966635,487810283307069696]