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A250315 as a simple table

n a(n)
1 8
2 60
3 104
4 652
5 2432
6 12820
7 61092
8 300616
9 1423966
10 6523576
11 28749998
12 122577404
13 509838050
14 2086581780
15 8455716678
16 34069235524

[8,60,104,652,2432,12820,61092,300616,1423966,
 6523576,28749998,122577404,509838050,2086581780,
 8455716678,34069235524]

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Last modified October 25 11:29 EDT 2021. Contains 348251 sequences. (Running on oeis4.)