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A266939 as a simple table

na(n)
17
229
392
4288
5871
62577
77185
819529
950216
10125786
11298869
12696808
131546941
143382516
157085876
1614650326
1729153966
1857417292
19109223923
20205966389
21376634957
22683318087
231206075185
242114385852
253615867548

[7,29,92,288,871,2577,7185,19529,50216,125786,
 298869,696808,1546941,3382516,7085876,14650326,
 29153966,57417292,109223923,205966389,376634957,
 683318087,1206075185,2114385852,3615867548]