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A135218 as a simple table

n a(n)
0 1
1 1
2 1
3 25
4 25
5 745
6 3145
7 40945
8 353425
9 4200625
10 49949425
11 666656425
12 9492440425
13 145513569625
14 2378864325625
15 41355134658625
16 761412592638625
17 14800232282598625
18 302834714220150625

[1,1,1,25,25,745,3145,40945,353425,4200625,
 49949425,666656425,9492440425,145513569625,
 2378864325625,41355134658625,761412592638625,
 14800232282598625,302834714220150625]

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Last modified April 24 09:18 EDT 2024. Contains 371935 sequences. (Running on oeis4.)