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A220028 as a simple table

n a(n)
1 2
2 4
3 10
4 34
5 111
6 358
7 1165
8 3789
9 12375
10 40583
11 133632
12 441773 

[2,4,10,34,111,358,1165,3789,12375,40583,133632,
 441773]

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Last modified September 13 22:05 EDT 2024. Contains 375910 sequences. (Running on oeis4.)