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A054477 as a simple table

n a(n)
0 1
1 13
2 64
3 307
4 1471
5 7048
6 33769
7 161797
8 775216
9 3714283
10 17796199
11 85266712
12 408537361
13 1957420093
14 9378563104
15 44935395427
16 215298414031
17 1031556674728
18 4942484959609
19 23680868123317
20 113461855656976
21 543628410161563
22 2604680195150839
23 12479772565592632

[1,13,64,307,1471,7048,33769,161797,775216,
 3714283,17796199,85266712,408537361,1957420093,
 9378563104,44935395427,215298414031,1031556674728,
 4942484959609,23680868123317,113461855656976,
 543628410161563,2604680195150839,
 12479772565592632]

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Last modified May 1 15:48 EDT 2024. Contains 372174 sequences. (Running on oeis4.)