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A109808 as a simple table

n a(n)
1 2
2 14
3 98
4 686
5 4802
6 33614
7 235298
8 1647086
9 11529602
10 80707214
11 564950498
12 3954653486
13 27682574402
14 193778020814
15 1356446145698
16 9495123019886
17 66465861139202
18 465261027974414
19 3256827195820898
20 22797790370746286
21 159584532595224002
22 1117091728166568014 

[2,14,98,686,4802,33614,235298,1647086,11529602,
 80707214,564950498,3954653486,27682574402,
 193778020814,1356446145698,9495123019886,
 66465861139202,465261027974414,3256827195820898,
 22797790370746286,159584532595224002,
 1117091728166568014]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)