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A307349 as a simple table

n a(n)
0 0
1 1
2 1
3 5
4 15
5 56
6 203
7 757
8 2839
9 10736
10 40821
11 155948
12 598065
13 2301118
14 8878591
15 34340085
16 133100055
17 516851528
18 2010358061
19 7831136920
20 30546063745
21 119291436738
22 466379022561
23 1825168170620
24 7149316835465
25 28027993191706
26 109965636641173

[0,1,1,5,15,56,203,757,2839,10736,40821,155948,
 598065,2301118,8878591,34340085,133100055,
 516851528,2010358061,7831136920,30546063745,
 119291436738,466379022561,1825168170620,
 7149316835465,28027993191706,109965636641173]

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Last modified July 31 06:17 EDT 2024. Contains 374774 sequences. (Running on oeis4.)