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A218803 as a simple table

n a(n)
1 1
2 15
3 481
4 63499
5 32496361
6 66531801953
7 544920898689805
8 17853080088569676529
9 2339690141788794554403313
10 1226489723856405899902679483839 

[1,15,481,63499,32496361,66531801953,
 544920898689805,17853080088569676529,
 2339690141788794554403313,
 1226489723856405899902679483839]

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Last modified July 26 06:18 EDT 2024. Contains 374615 sequences. (Running on oeis4.)