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A186927 as a simple table

na(n)
11
22
33
48
527
6243
72048
8524288
9129140163
1068630377364883
1136472996377170786403
1219342813113834066795298816
13706965049015104706497203195837614914543357369
1413703277223523221219433362313025801636536040755174924956117940937101787

[1,2,3,8,27,243,2048,524288,129140163,
 68630377364883,36472996377170786403,
 19342813113834066795298816,
 706965049015104706497203195837614914543357369,
 13703277223523221219433362313025801636536040755174\
 924956117940937101787]