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A266284 as a simple table

n a(n)
0 1
1 2
2 5
3 106
4 21
5 1962
6 85
7 32426
8 341
9 522922
10 1365
11 8383146
12 5461
13 134195882
14 21845
15 2147396266
16 87381
17 34359388842
18 349525
19 549754415786
20 1398101
21 8796087429802
22 5592405
23 140737465985706
24 22369621
25 2251799724206762
26 89478485
27 36028796661050026
28 357913941

[1,2,5,106,21,1962,85,32426,341,522922,1365,
 8383146,5461,134195882,21845,2147396266,87381,
 34359388842,349525,549754415786,1398101,
 8796087429802,5592405,140737465985706,22369621,
 2251799724206762,89478485,36028796661050026,
 357913941]

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Last modified February 19 09:33 EST 2020. Contains 332041 sequences. (Running on oeis4.)