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A249284 as a simple table

n a(n)
1 66
2 168
3 428
4 1094
5 2792
6 7132
7 18232
8 46616
9 119176
10 304696
11 779066
12 1992002
13 5093330
14 13023126
15 33299000
16 85142802
17 217703012
18 556648464
19 1423304428
20 3639273226
21 9305324178
22 23792953554
23 60836640416
24 155554327024
25 397739724496

[66,168,428,1094,2792,7132,18232,46616,119176,
 304696,779066,1992002,5093330,13023126,33299000,
 85142802,217703012,556648464,1423304428,
 3639273226,9305324178,23792953554,60836640416,
 155554327024,397739724496]

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Last modified April 19 10:56 EDT 2024. Contains 371791 sequences. (Running on oeis4.)