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A048421 as a simple table

n a(n)
1 3249
2 81225
3 225625
4 364816
5 2079364
6 4950625
7 39601849
8 44156025
9 84180625
10 92294449
11 116964225
12 267289801
13 341991049
14 643890625
15 1212780625
16 1445900625
17 1699500625
18 2307361225
19 2924105625
20 2998438564
21 3204126025

[3249,81225,225625,364816,2079364,4950625,
 39601849,44156025,84180625,92294449,116964225,
 267289801,341991049,643890625,1212780625,
 1445900625,1699500625,2307361225,2924105625,
 2998438564,3204126025]

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Last modified August 17 02:36 EDT 2022. Contains 356180 sequences. (Running on oeis4.)