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A250316 as a simple table

n a(n)
1 13
2 117
3 233
4 1773
5 8767
6 57833
7 363457
8 2317841
9 14305925
10 85334033
11 487200669
12 2669191565
13 14140938607 

[13,117,233,1773,8767,57833,363457,2317841,
 14305925,85334033,487200669,2669191565,
 14140938607]

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Last modified September 30 21:59 EDT 2023. Contains 365812 sequences. (Running on oeis4.)