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A138523 as a simple table

na(n)
11
27
3127
45167
5368047
640284847
76267305647
81313941673647
9357001369769647
10122002101778601647
1151212944273488041647
1225903229683158464681647
1315537113273014144448681647
1410904406563691366305216681647
158852666400303393320848832681647
168231691320578226211046411712681647

[1,7,127,5167,368047,40284847,6267305647,
 1313941673647,357001369769647,122002101778601647,
 51212944273488041647,25903229683158464681647,
 15537113273014144448681647,
 10904406563691366305216681647,
 8852666400303393320848832681647,
 8231691320578226211046411712681647]