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A027676 as a simple table

n a(n)
1 1
2 4
3 16
4 64
5 144
6 441
7 1444
8 11664
9 14161
10 14641
11 16641
12 41616
13 166464
14 646416
15 6441444
16 11614464
17 44116164
18 166616464
19 664144441
20 6114614416
21 6661661161
22 111461164164
23 41616166464166464
24 446444416444461444

[1,4,16,64,144,441,1444,11664,14161,14641,16641,
 41616,166464,646416,6441444,11614464,44116164,
 166616464,664144441,6114614416,6661661161,
 111461164164,41616166464166464,446444416444461444]

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Last modified June 17 13:43 EDT 2021. Contains 345080 sequences. (Running on oeis4.)