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A280213 as a simple table

n a(n)
1 0
2 26
3 158
4 886
5 4382
6 20593
7 93326
8 410789
9 1768582
10 7492763
11 31338310
12 129696524
13 531993558
14 2165446751
15 8755471090
16 35192210828
17 140712962436
18 559989349075
19 2219142915606
20 8760369870437
21 34461931251266
22 135134230809249

[0,26,158,886,4382,20593,93326,410789,1768582,
 7492763,31338310,129696524,531993558,2165446751,
 8755471090,35192210828,140712962436,559989349075,
 2219142915606,8760369870437,34461931251266,
 135134230809249]

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Last modified September 25 16:40 EDT 2022. Contains 356986 sequences. (Running on oeis4.)