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A219399 as a simple table

n a(n)
1 7
2 7
3 43
4 165
5 649
6 2527
7 10011
8 39787
9 157725
10 623929
11 2468377
12 9771861
13 38692747
14 153187901
15 606420643
16 2400630287
17 9503657933
18 37623622731
19 148945583497
20 589647430651
21 2334303207355
22 9241081910623
23 36583780864769
24 144828561920695

[7,7,43,165,649,2527,10011,39787,157725,623929,
 2468377,9771861,38692747,153187901,606420643,
 2400630287,9503657933,37623622731,148945583497,
 589647430651,2334303207355,9241081910623,
 36583780864769,144828561920695]

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Last modified September 23 02:41 EDT 2021. Contains 347609 sequences. (Running on oeis4.)