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A122868 as a simple table

n a(n)
0 1
1 3
2 15
3 81
4 459
5 2673
6 15849
7 95175
8 576963
9 3523257
10 21640365
11 133549155
12 827418645
13 5143397535
14 32063180535
15 200367960201
16 1254816463923
17 7873205412825
18 49482344889261
19 311457546052659
20 1963051327342449
21 12387750763156227
22 78258731003169435

[1,3,15,81,459,2673,15849,95175,576963,3523257,
 21640365,133549155,827418645,5143397535,
 32063180535,200367960201,1254816463923,
 7873205412825,49482344889261,311457546052659,
 1963051327342449,12387750763156227,
 78258731003169435]

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Last modified May 4 04:49 EDT 2024. Contains 372227 sequences. (Running on oeis4.)