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A200337 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 12
5 24
6 72
7 384
8 1104
9 2208
10 6624
11 35328
12 101568
13 28421376
14 67326336
15 366139392
16 983761152
17 1967522304
18 5902566912
19 31480356864
20 90506025984
21 25325947097088
22 59993690093568
23 326262418538496
24 876617757413376
25 248432976768114295652352
26 584740458214216890753024

[1,1,2,4,12,24,72,384,1104,2208,6624,35328,101568,
 28421376,67326336,366139392,983761152,1967522304,
 5902566912,31480356864,90506025984,25325947097088,
 59993690093568,326262418538496,876617757413376,
 248432976768114295652352,584740458214216890753024]

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)