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A328501 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 24
5 118
6 684
7 4548
8 34036
9 282696
10 2577936
11 25589100
12 274539856
13 3164909164
14 39006958856
15 511759353776
16 7120140764224
17 104703385864788
18 1622530610142744
19 26425922582118000
20 451264786489454168
21 8062192403534869432
22 150395837509736576208

[1,1,2,6,24,118,684,4548,34036,282696,2577936,
 25589100,274539856,3164909164,39006958856,
 511759353776,7120140764224,104703385864788,
 1622530610142744,26425922582118000,
 451264786489454168,8062192403534869432,
 150395837509736576208]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)