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A249168 as a simple table

n a(n)
1 0
2 6
3 122
4 922
5 1994
6 3986
7 29618
8 59234
9 127730
10 255458
11 510914
12 1021826
13 7582914
14 15165826
15 30331650
16 60663298

[0,6,122,922,1994,3986,29618,59234,127730,255458,
 510914,1021826,7582914,15165826,30331650,60663298]

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Last modified May 16 03:58 EDT 2022. Contains 353688 sequences. (Running on oeis4.)