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A115137 as a simple table

na(n)
01
11
27
341
4247
51545
69975
766057
8446455
93067913
1021372919
11150618121
121071841271
137691763721
1455600938999
15404488323081
162959189475319
1721757613309961
18160691417776119
191191577871450121
208868160862158839

[1,1,7,41,247,1545,9975,66057,446455,3067913,
 21372919,150618121,1071841271,7691763721,
 55600938999,404488323081,2959189475319,
 21757613309961,160691417776119,1191577871450121,
 8868160862158839]