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A231103 as a simple table

n a(n)
1 0
2 2
3 8
4 42
5 208
6 1042
7 5208
8 26042
9 130208
10 651042
11 3255208
12 16276042
13 81380208
14 406901042
15 2034505208
16 10172526042
17 50862630208
18 254313151042
19 1271565755208
20 6357828776042
21 31789143880208
22 158945719401042
23 794728597005208

[0,2,8,42,208,1042,5208,26042,130208,651042,
 3255208,16276042,81380208,406901042,2034505208,
 10172526042,50862630208,254313151042,
 1271565755208,6357828776042,31789143880208,
 158945719401042,794728597005208]

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Last modified October 28 03:58 EDT 2021. Contains 348313 sequences. (Running on oeis4.)