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A269504 as a simple table

n a(n)
1 1
2 14
3 420
4 18332
5 1261420
6 134871120
7 21338020496

[1,14,420,18332,1261420,134871120,21338020496]

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Last modified March 29 11:14 EDT 2024. Contains 371278 sequences. (Running on oeis4.)