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A220996 as a simple table

n a(n)
1 1
2 132
3 2456
4 48800
5 826251
6 13696660
7 222785284
8 3596853965
9 57778137358

[1,132,2456,48800,826251,13696660,222785284,
 3596853965,57778137358]

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Last modified April 16 14:17 EDT 2024. Contains 371740 sequences. (Running on oeis4.)