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A055214 as a simple table

n a(n)
0 1
1 1
2 3
3 17
4 135
5 1349
6 16187
7 226617
8 3625871
9 65265677
10 1305313539
11 28716897857
12 689205548567
13 17919344262741
14 501741639356747
15 15052249180702409
16 481671973782477087
17 16376847108604220957

[1,1,3,17,135,1349,16187,226617,3625871,65265677,
 1305313539,28716897857,689205548567,
 17919344262741,501741639356747,15052249180702409,
 481671973782477087,16376847108604220957]

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Last modified September 24 08:44 EDT 2020. Contains 337317 sequences. (Running on oeis4.)