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A139729 as a simple table

n a(n)
0 0
1 1
2 1
3 25
4 161
5 681
6 3057
7 15225
8 55105
9 233801
10 269201
11 3471385
12 1882337
13 50495465
14 186023729
15 63600825
16 3793632897
17 12667859593
18 28111390417
19 253002513753
20 352877275169
21 3175895476521
22 15388919755377
23 68131533620729
24 120602593342913
25 240998409954249

[0,1,1,25,161,681,3057,15225,55105,233801,269201,
 3471385,1882337,50495465,186023729,63600825,
 3793632897,12667859593,28111390417,253002513753,
 352877275169,3175895476521,15388919755377,
 68131533620729,120602593342913,240998409954249]

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Last modified June 8 02:28 EDT 2024. Contains 373206 sequences. (Running on oeis4.)