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A188501 as a simple table

n a(n)
1 4
2 16
3 49
4 144
5 441
6 1369
7 4225
8 12996
9 40000
10 123201
11 379456
12 1168561
13 3598609
14 11082241
15 34128964
16 105103504
17 323676081
18 996791184
19 3069714025
20 9453478441
21 29112890625
22 89655929476
23 276104007936
24 850288696321
25 2618545348864

[4,16,49,144,441,1369,4225,12996,40000,123201,
 379456,1168561,3598609,11082241,34128964,
 105103504,323676081,996791184,3069714025,
 9453478441,29112890625,89655929476,276104007936,
 850288696321,2618545348864]

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Last modified May 11 05:02 EDT 2024. Contains 372388 sequences. (Running on oeis4.)