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A208715 as a simple table

na(n)
11
23
37
418
538
6100
7224
8600
91498
104124
1111054
1231347
1387887
14253251
15727867
162117551
176159994
1818022052
1952757222
20154874172
21454989753
221338737083
233941860229
2411618101775
2534264747423
26101127761931
27298632667837
28882370316215
292608423280534
307714578529582

[1,3,7,18,38,100,224,600,1498,4124,11054,31347,
 87887,253251,727867,2117551,6159994,18022052,
 52757222,154874172,454989753,1338737083,
 3941860229,11618101775,34264747423,101127761931,
 298632667837,882370316215,2608423280534,
 7714578529582]