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A280629 as a simple table

na(n)
01
11
27
3139
46913
5508921
657888967
79313574419
81984690709953
9547467006437041
10188946742298214727
1179783392959511537499
1240498043815904027702593
1324314800861291379306213161
1417047720745682515427867108487
1513802952030641885344209574247779
1612780883488499783875309105315925633
1713420910251496135926622603184056054881
1815863354775169518855398667975850797997447
1920966527201075972453953302254528386060431659

[1,1,7,139,6913,508921,57888967,9313574419,
 1984690709953,547467006437041,188946742298214727,
 79783392959511537499,40498043815904027702593,
 24314800861291379306213161,
 17047720745682515427867108487,
 13802952030641885344209574247779,
 12780883488499783875309105315925633,
 13420910251496135926622603184056054881,
 15863354775169518855398667975850797997447,
 20966527201075972453953302254528386060431659]