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A265490 as a simple table

n a(n)
1 2
2 12
3 0
4 0
5 0
6 3249
7 595253
8 11022848
9 504744595
10 21040741278
11 340492634409
12 7110814430179
13 459653526742074
14 4437542161639049
15 105508629834995631
16 5522222536138626811
17 126913917889878003282
18 2918377646811870525109

[2,12,0,0,0,3249,595253,11022848,504744595,
 21040741278,340492634409,7110814430179,
 459653526742074,4437542161639049,
 105508629834995631,5522222536138626811,
 126913917889878003282,2918377646811870525109]

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)