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A277188 as a simple table

na(n)
01
17
243
3281
41896
513112
692359
7659941
84769758
934797170
10255838760
111893389720
1214091400480
13105385445856
14791504226943
155966958725021
1645133376297922
17342400478465678
182604549070175770
1919860078537996958
20151769147958738016

[1,7,43,281,1896,13112,92359,659941,4769758,
 34797170,255838760,1893389720,14091400480,
 105385445856,791504226943,5966958725021,
 45133376297922,342400478465678,2604549070175770,
 19860078537996958,151769147958738016]