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A024089 as a simple table

na(n)
01
17
262
3509
44092
532763
6262138
72097145
816777208
9134217719
101073741814
118589934581
1268719476724
13549755813875
144398046511090
1535184372088817
16281474976710640
172251799813685231
1818014398509481966
19144115188075855853
201152921504606846956
219223372036854775787

[1,7,62,509,4092,32763,262138,2097145,16777208, 134217719,1073741814,8589934581,68719476724, 549755813875,4398046511090,35184372088817, 281474976710640,2251799813685231, 18014398509481966,144115188075855853, 1152921504606846956,9223372036854775787]