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A024727 as a simple table

n a(n)
1 1
2 1
3 4
4 4
5 4
6 4
7 20
8 36
9 52
10 132
11 292
12 580
13 1252
14 2628
15 6196
16 13412
17 28884
18 64516
19 147140
20 327684
21 722116
22 1615236
23 3758292
24 8500772
25 19027572
26 43203204
27 100782308
28 230210884
29 522001572
30 1193084612
31 2800307188
32 6441467748
33 14722404372

[1,1,4,4,4,4,20,36,52,132,292,580,1252,2628,6196,
 13412,28884,64516,147140,327684,722116,1615236,
 3758292,8500772,19027572,43203204,100782308,
 230210884,522001572,1193084612,2800307188,
 6441467748,14722404372]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)