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A193438 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 1
5 25
6 145
7 505
8 1345
9 43345
10 481825
11 3027025
12 13679425
13 528618025
14 8796735025
15 81517983625
16 529655946625
17 23619691278625
18 526089195906625
19 6512769913326625
20 55783484692170625
21 2802281186570685625
22 78369733286598300625
23 1221751619270220585625

[1,1,1,1,1,25,145,505,1345,43345,481825,3027025,
 13679425,528618025,8796735025,81517983625,
 529655946625,23619691278625,526089195906625,
 6512769913326625,55783484692170625,
 2802281186570685625,78369733286598300625,
 1221751619270220585625]

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Last modified September 19 19:46 EDT 2024. Contains 376014 sequences. (Running on oeis4.)