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A209807 as a simple table

n a(n)
1 7
2 34
3 173
4 930
5 5193
6 29782
7 173789
8 1025274
9 6089457
10 36315262
11 217102757
12 1299807138
13 7788836985
14 46697385574
15 280057392749
16 1679892321738
17 10077743984769
18 60460730002126
19 362743958401973
20 2176391017766514 

[7,34,173,930,5193,29782,173789,1025274,6089457,
 36315262,217102757,1299807138,7788836985,
 46697385574,280057392749,1679892321738,
 10077743984769,60460730002126,362743958401973,
 2176391017766514]

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Last modified April 25 10:51 EDT 2024. Contains 371967 sequences. (Running on oeis4.)