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A158642 as a simple table

n a(n)
0 0
1 1
2 4
3 9
4 121
5 252
6 484
7 10201
8 12321
9 14641
10 20502
11 23632
12 26962
13 40804
14 44944
15 1002001
16 1113111
17 1226221
18 1234321
19 1357531
20 2005002
21 2126212
22 2216122
23 2249422
24 2347432
25 2429242
26 4008004
27 4229224
28 100020001

[0,1,4,9,121,252,484,10201,12321,14641,20502,
 23632,26962,40804,44944,1002001,1113111,1226221,
 1234321,1357531,2005002,2126212,2216122,2249422,
 2347432,2429242,4008004,4229224,100020001]

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Last modified April 18 18:58 EDT 2024. Contains 371781 sequences. (Running on oeis4.)