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A217069 as a simple table

n a(n)
0 0
1 2
2 7
3 69
4 377
5 2794
6 17499
7 119930
8 782560
9 5243499
10 34631867
11 230522137
12 1527974718
13 10151087309
14 67355177296
15 447219602022
16 2968334148479
17 19705628071261
18 130804123379301
19 868315777996646
20 5763951923164423
21 38262238564792074
22 253989877628319020

[0,2,7,69,377,2794,17499,119930,782560,5243499,
 34631867,230522137,1527974718,10151087309,
 67355177296,447219602022,2968334148479,
 19705628071261,130804123379301,868315777996646,
 5763951923164423,38262238564792074,
 253989877628319020]

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Last modified August 7 16:27 EDT 2024. Contains 375017 sequences. (Running on oeis4.)