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A208724 as a simple table

n a(n)
1 4
2 7
3 12
4 25
5 52
6 131
7 316
8 835
9 2196
10 5935
11 16108
12 44369
13 122644
14 341803
15 956636
16 2690845
17 7596484
18 21524543
19 61171660
20 174342217
21 498112276
22 1426419859
23 4093181692
24 11767920119
25 33891544420
26 97764131647
27 282429537948
28 817028472961
29 2366564736724
30 6863038218843

[4,7,12,25,52,131,316,835,2196,5935,16108,44369,
 122644,341803,956636,2690845,7596484,21524543,
 61171660,174342217,498112276,1426419859,
 4093181692,11767920119,33891544420,97764131647,
 282429537948,817028472961,2366564736724,
 6863038218843]

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)