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A057080 as a simple table

na(n)
01
19
271
3559
44401
534649
6272791
72147679
816908641
9133121449
101048062951
118251382159
1264962994321
13511452572409
144026657584951
1531701808107199
16249587807272641
171965000650073929
1815470417393318791
19121798338496476399

[1,9,71,559,4401,34649,272791,2147679,16908641,
 133121449,1048062951,8251382159,64962994321,
 511452572409,4026657584951,31701808107199,
 249587807272641,1965000650073929,
 15470417393318791,121798338496476399]