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A108424 as a simple table

n a(n)
1 2
2 6
3 34
4 238
5 1858
6 15510
7 135490
8 1223134
9 11320066
10 106830502
11 1024144482
12 9945711566
13 97634828354
14 967298498358
15 9659274283650
16 97119829841854
17 982391779220482
18 9990160542904134
19 102074758837531810
20 1047391288012377774
21 10788532748880319298

[2,6,34,238,1858,15510,135490,1223134,11320066,
 106830502,1024144482,9945711566,97634828354,
 967298498358,9659274283650,97119829841854,
 982391779220482,9990160542904134,
 102074758837531810,1047391288012377774,
 10788532748880319298]

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Last modified May 8 07:09 EDT 2024. Contains 372319 sequences. (Running on oeis4.)