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A331715 as a simple table

n a(n)
1 1
2 11
3 66
4 278
5 966
6 2957
7 8149
8 20676
9 48911
10 108942
11 230201
12 464528
13 899633
14 1679685
15 3034620 

[1,11,66,278,966,2957,8149,20676,48911,108942,
 230201,464528,899633,1679685,3034620]

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Last modified April 17 22:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)