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A052904 as a simple table

n a(n)
0 1
1 1
2 6
3 12
4 44
5 112
6 352
7 976
8 2912
9 8320
10 24384
11 70400
12 205056
13 594176
14 1726976
15 5010432
16 14552064
17 42237952
18 122642432
19 356028416
20 1033674752
21 3000893440
22 8712372224
23 25293619200
24 73433153536
25 213191294976
26 618940727296

[1,1,6,12,44,112,352,976,2912,8320,24384,70400,
 205056,594176,1726976,5010432,14552064,42237952,
 122642432,356028416,1033674752,3000893440,
 8712372224,25293619200,73433153536,213191294976,
 618940727296]

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Last modified April 16 00:00 EDT 2024. Contains 371696 sequences. (Running on oeis4.)