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A243923 as a simple table

n a(n)
0 0
1 1
2 4
3 12
4 57
5 469
6 5409
7 77321
8 1304086
9 25263208
10 551790014
11 13398776948
12 357740951660
13 10409057421898
14 327640162774856
15 11087710302096702
16 401290657576717001
17 15462394004585328685
18 631795378164538352085
19 27280160237622374011469
20 1240933576265292837746859

[0,1,4,12,57,469,5409,77321,1304086,25263208,
 551790014,13398776948,357740951660,10409057421898,
 327640162774856,11087710302096702,
 401290657576717001,15462394004585328685,
 631795378164538352085,27280160237622374011469,
 1240933576265292837746859]

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Last modified May 28 11:47 EDT 2024. Contains 372913 sequences. (Running on oeis4.)