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A245769 as a simple table

n a(n)
0 -1
1 1
2 7
3 25
4 87
5 329
6 1359
7 6001
8 27759
9 132689
10 649815
11 3242377
12 16421831
13 84196761
14 436129183
15 2278835681
16 11996748255
17 63568974241
18 338777252263
19 1814623238137
20 9763917858359
21 52750451120361
22 286036294786287
23 1556185889290065
24 8492182185653327
25 46471113779766769

[-1,1,7,25,87,329,1359,6001,27759,132689,649815,
 3242377,16421831,84196761,436129183,2278835681,
 11996748255,63568974241,338777252263,
 1814623238137,9763917858359,52750451120361,
 286036294786287,1556185889290065,8492182185653327,
 46471113779766769]

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Last modified March 29 10:59 EDT 2024. Contains 371277 sequences. (Running on oeis4.)