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A018871 as a simple table

na(n)
00
11
2243
332
44084101
559049
66436343
77776
8844596301
99765625
101024
1111881376
121252332576
13130691232
141419857
151564031349
1616807
1717210368
181889568
191934917632
2020511149
2121003416576
22229345007
232373046875
24243
25254803968

[0,1,243,32,4084101,59049,6436343,7776,844596301,
 9765625,1024,11881376,1252332576,130691232,
 1419857,1564031349,16807,17210368,1889568,
 1934917632,20511149,21003416576,229345007,
 2373046875,243,254803968]