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A017712 as a simple table

na(n)
11
216777216
3282429536481
4281474976710656
559604644775390625
62369190669160808448
7191581231380566414401
84722366482869645213696
979766443076872509863361
10500000000000000000000000
119849732675807611094711841

[1,16777216,282429536481,281474976710656,
 59604644775390625,2369190669160808448,
 191581231380566414401,4722366482869645213696,
 79766443076872509863361,500000000000000000000000,
 9849732675807611094711841]