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A026662 as a simple table

n a(n)
2 1
3 8
4 38
5 202
6 873
7 4228
8 17982
9 83986
10 356720
11 1636710
12 6967782
13 31651902
14 135174069
15 610281684
16 2614576678
17 11756749378
18 50516489196
19 226522941742
20 975898078974
21 4367362698334
22 18859586883256
23 84276937119086
24 364693906704798

[1,8,38,202,873,4228,17982,83986,356720,1636710,
 6967782,31651902,135174069,610281684,2614576678,
 11756749378,50516489196,226522941742,975898078974,
 4367362698334,18859586883256,84276937119086,
 364693906704798]

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Last modified October 29 04:54 EDT 2020. Contains 338066 sequences. (Running on oeis4.)