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A176471 as a simple table

n a(n)
1 1
2 4
3 16
4 36
5 144
6 576
7 900
8 3600
9 14400
10 32400
11 44100
12 129600
13 176400
14 705600
15 1587600
16 2822400
17 6350400
18 21344400
19 57153600
20 85377600
21 192099600
22 341510400
23 768398400
24 3073593600
25 6915585600
26 12294374400
27 14428814400
28 32464832400
29 57715257600
30 129859329600

[1,4,16,36,144,576,900,3600,14400,32400,44100,
 129600,176400,705600,1587600,2822400,6350400,
 21344400,57153600,85377600,192099600,341510400,
 768398400,3073593600,6915585600,12294374400,
 14428814400,32464832400,57715257600,129859329600]

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Last modified May 8 02:26 EDT 2021. Contains 343652 sequences. (Running on oeis4.)