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A054133 as a simple table

n a(n)
1 2
2 7
3 39
4 236
5 1479
6 9418
7 60492
8 390720
9 2534115
10 16489802
11 107594725
12 703681448
13 4611414244
14 30273029080
15 199045400424

[2,7,39,236,1479,9418,60492,390720,2534115,
 16489802,107594725,703681448,4611414244,
 30273029080,199045400424]

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Last modified April 19 04:35 EDT 2024. Contains 371782 sequences. (Running on oeis4.)