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A244485 as a simple table

n a(n)
2 1
3 2
4 4
5 10
6 28
7 70
8 230
9 676
10 2456
11 7916
12 31374
13 109856
14 467716
15 1759422
16 7968204
17 31922840
18 152664200
19 646888154 

[1,2,4,10,28,70,230,676,2456,7916,31374,109856,
 467716,1759422,7968204,31922840,152664200,
 646888154]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)