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A206902 as a simple table

n a(n)
0 1
1 2
2 8
3 36
4 166
5 768
6 3554
7 16446
8 76102
9 352152
10 1629536
11 7540458
12 34892452
13 161460114
14 747134894
15 3457265922
16 15998031616
17 74028732924
18 342557973998
19 1585140808368
20 7335025230994
21 33941839649382
22 157061283704438
23 726779900373936
24 3363075935260696

[1,2,8,36,166,768,3554,16446,76102,352152,1629536,
 7540458,34892452,161460114,747134894,3457265922,
 15998031616,74028732924,342557973998,
 1585140808368,7335025230994,33941839649382,
 157061283704438,726779900373936,3363075935260696]

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Last modified May 6 01:48 EDT 2024. Contains 372290 sequences. (Running on oeis4.)