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A180270 as a simple table

n a(n)
1 0
2 1025
3 476073
4 27022500
5 551536100
6 6129324225
7 45502479225
8 253405810448
9 1137920432400
10 4322847530025
11 14366776735025
12 42801847892100
13 116415023802948
14 293153032943225
15 691043521403025
16 1538402208782400

[0,1025,476073,27022500,551536100,6129324225,
 45502479225,253405810448,1137920432400,
 4322847530025,14366776735025,42801847892100,
 116415023802948,293153032943225,691043521403025,
 1538402208782400]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)