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A316104 as a simple table

n a(n)
0 0
1 1
2 1
3 1
4 5
5 15
6 55
7 210
8 826
9 3306
10 13511
11 55922
12 234344
13 991701
14 4233301
15 18204973
16 78803016
17 343074124
18 1501253960
19 6599380039
20 29129716885
21 129056936567
22 573707565933
23 2558203198595
24 11439372705501
25 51285319846823
26 230473042074581
27 1038019965961144

[0,1,1,1,5,15,55,210,826,3306,13511,55922,234344,
 991701,4233301,18204973,78803016,343074124,
 1501253960,6599380039,29129716885,129056936567,
 573707565933,2558203198595,11439372705501,
 51285319846823,230473042074581,1038019965961144]

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Last modified September 17 19:58 EDT 2021. Contains 347489 sequences. (Running on oeis4.)