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A015200 as a simple table

n a(n)
0 1
1 2
2 15
3 316
4 26537
5 6605334
6 6616438915
7 19736647911152
8 237118435525391709
9 8486871559326397146058
10 1223496018226895154470801975
11 525487164444668938421129856286884
12 909068834019126312744002601418684280593 

[1,2,15,316,26537,6605334,6616438915,
 19736647911152,237118435525391709,
 8486871559326397146058,
 1223496018226895154470801975,
 525487164444668938421129856286884,
 909068834019126312744002601418684280593]

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Last modified April 16 12:05 EDT 2024. Contains 371711 sequences. (Running on oeis4.)