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A054131 as a simple table

n a(n)
0 2
1 5
2 24
3 134
4 802
5 4960
6 31212
7 198504
8 1271754
9 8192780
10 53009614
11 344213930
12 2241814696
13 14637778784
14 95786210880

[2,5,24,134,802,4960,31212,198504,1271754,8192780,
 53009614,344213930,2241814696,14637778784,
 95786210880]

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Last modified October 25 00:01 EDT 2020. Contains 338010 sequences. (Running on oeis4.)