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A149430 as a simple table

n a(n)
0 1
1 1
2 4
3 13
4 44
5 160
6 576
7 2137
8 8000
9 30112
10 114540
11 436996
12 1676116
13 6453108
14 24911776
15 96460701
16 374292952
17 1455282884
18 5668438104
19 22111680424
20 86375698280
21 337822484240
22 1322699806092
23 5184073262824
24 20336197487948
25 79841329050480
26 313699181900844
27 1233386086431536
28 4852469693781752

[1,1,4,13,44,160,576,2137,8000,30112,114540,
 436996,1676116,6453108,24911776,96460701,
 374292952,1455282884,5668438104,22111680424,
 86375698280,337822484240,1322699806092,
 5184073262824,20336197487948,79841329050480,
 313699181900844,1233386086431536,4852469693781752]

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Last modified March 28 11:46 EDT 2024. Contains 371241 sequences. (Running on oeis4.)