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A188986 as a simple table

n a(n)
1 7
2 49
3 295
4 1793
5 10871
6 65937
7 399911
8 2425505
9 14710935
10 89223345
11 541148807
12 3282123457
13 19906418039
14 120734483153
15 732267120743
16 4441275782369
17 26936796718423
18 163374456576241
19 990882967287879
20 6009807624994561

[7,49,295,1793,10871,65937,399911,2425505,
 14710935,89223345,541148807,3282123457,
 19906418039,120734483153,732267120743,
 4441275782369,26936796718423,163374456576241,
 990882967287879,6009807624994561]

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Last modified March 28 15:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)