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A026002 as a simple table

na(n)
11
27
341
4231
51289
67183
740081
8224143
91256465
107059735
1139753273
12224298231
131267854873
147178461215
1540704778785
16231128079903
171314016698401
187478998203943
1942612705597769
20243025194476551
211387226559025961
227924982285747247

[1,7,41,231,1289,7183,40081,224143,1256465,
 7059735,39753273,224298231,1267854873,7178461215,
 40704778785,231128079903,1314016698401,
 7478998203943,42612705597769,243025194476551,
 1387226559025961,7924982285747247]