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A286778 as a simple table

n a(n)
0 0
1 2
2 22
3 142
4 734
5 3390
6 14718
7 61694
8 253438
9 1029118
10 4151294
11 16683006
12 66904062
13 267993086
14 1072791550
15 4292935678
16 17175543806
17 68710301694
18 274858508286
19 1099470733310
20 4397960527870
21 17592005689342
22 70368366690302
23 281474188181502
24 1125898262675454
25 4503596204818430
26 18014391395942398

[0,2,22,142,734,3390,14718,61694,253438,1029118,
 4151294,16683006,66904062,267993086,1072791550,
 4292935678,17175543806,68710301694,274858508286,
 1099470733310,4397960527870,17592005689342,
 70368366690302,281474188181502,1125898262675454,
 4503596204818430,18014391395942398]

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Last modified April 23 05:09 EDT 2024. Contains 371906 sequences. (Running on oeis4.)