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A045610
as a simple table
n
a(n)
0
1
1
1
2
3
3
7
4
22
5
70
6
249
7
880
8
3238
9
12180
10
46247
11
174458
12
672920
13
2585414
14
10015955
[1,1,3,7,22,70,249,880,3238,12180,46247,174458, 672920,2585414,10015955]
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Last modified March 28 22:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)