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A290617 as a simple table

n a(n)
1 1
2 1
3 1
4 8
5 50
6 210
7 348
8 1173
9 11832
10 159230
11 1641932
12 14128718
13 140392863
14 2130302917

[1,1,1,8,50,210,348,1173,11832,159230,1641932,
 14128718,140392863,2130302917]

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Last modified February 29 19:20 EST 2024. Contains 370428 sequences. (Running on oeis4.)