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A281718 as a simple table

n a(n)
1 8
2 6
3 14
4 97
5 294
6 1410
7 5781
8 23798
9 103034
10 429701
11 1822286
12 7734672
13 32650303
14 138610834
15 587182558
16 2488856940
17 10558553240
18 44771374413
19 189944049261
20 805892553288
21 3419413103710
22 14511303192013
23 61585052285760

[8,6,14,97,294,1410,5781,23798,103034,429701,
 1822286,7734672,32650303,138610834,587182558,
 2488856940,10558553240,44771374413,189944049261,
 805892553288,3419413103710,14511303192013,
 61585052285760]

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Last modified December 2 20:25 EST 2021. Contains 349445 sequences. (Running on oeis4.)