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A028817 formatted as a simple table:

n a(n)
1 1
2 4
3 9
4 121
5 484
6 676
7 10201
8 12321
9 14641
10 40804
11 44944
12 69696
13 94249
14 1002001
15 1234321
16 4008004
17 5221225
18 6948496
19 100020001
20 102030201
21 104060401
22 121242121
23 123454321
24 125686521
25 400080004
26 404090404

[1,4,9,121,484,676,10201,12321,14641,40804,44944,
 69696,94249,1002001,1234321,4008004,5221225,
 6948496,100020001,102030201,104060401,121242121,
 123454321,125686521,400080004,404090404]

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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