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A167747 as a simple table

n a(n)
0 1
1 2
2 12
3 72
4 432
5 2592
6 15552
7 93312
8 559872
9 3359232
10 20155392
11 120932352
12 725594112
13 4353564672
14 26121388032
15 156728328192
16 940369969152
17 5642219814912
18 33853318889472
19 203119913336832
20 1218719480020992
21 7312316880125952
22 43873901280755712
23 263243407684534272

[1,2,12,72,432,2592,15552,93312,559872,3359232,
 20155392,120932352,725594112,4353564672,
 26121388032,156728328192,940369969152,
 5642219814912,33853318889472,203119913336832,
 1218719480020992,7312316880125952,
 43873901280755712,263243407684534272]

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)