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A333497 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 2
5 4
6 8
7 18
8 48
9 144
10 456
11 1560
12 5808
13 23184
14 98160
15 440832
16 2101824
17 10588608
18 56104128
19 312013440
20 1818498816
21 11082682368
22 70467474816
23 466680045312
24 3214497245184
25 22994283345408
26 170573216656896
27 1310482565462016
28 10415453732637696

[1,1,1,1,2,4,8,18,48,144,456,1560,5808,23184,
 98160,440832,2101824,10588608,56104128,312013440,
 1818498816,11082682368,70467474816,466680045312,
 3214497245184,22994283345408,170573216656896,
 1310482565462016,10415453732637696]

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)