A053911 - OEIS

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A053911 as a simple table

n	a(n)
1	1
2	9
3	16
4	169
5	196
6	961
7	69169
8	69696
9	9696996
10	16966161
11	611919169
12	6661661161
13	696199996996
14	1911961611169
15	99191919116196
16	116116119966961
17	116696699999166169
18	699666116199699961
19	996111661161199969

[1,9,16,169,196,961,69169,69696,9696996,16966161, 611919169,6661661161,696199996996,1911961611169, 99191919116196,116116119966961,116696699999166169, 699666116199699961,996111661161199969]