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A206866 as a simple table

n a(n)
1 7
2 49
3 211
4 889
5 3967
6 17737
7 78799
8 350017
9 1555843
10 6915889
11 30739447
12 136629265
13 607288711
14 2699272273
15 11997693379
16 53327205481
17 237028156975
18 1053540057337
19 4682762813455
20 20813890672513
21 92513343672307
22 411202253906785

[7,49,211,889,3967,17737,78799,350017,1555843,
 6915889,30739447,136629265,607288711,2699272273,
 11997693379,53327205481,237028156975,
 1053540057337,4682762813455,20813890672513,
 92513343672307,411202253906785]

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Last modified May 7 09:15 EDT 2024. Contains 372302 sequences. (Running on oeis4.)