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A007135 as a simple table

n a(n)
1 0
2 1
3 1
4 4
5 6
6 15
7 30
8 74
9 160
10 379
11 867
12 2057
13 4817
14 11465
15 27214
16 65102
17 155753
18 374208
19 900073
20 2170500
21 5240723
22 12676162
23 30697119
24 74435204
25 180679171 

[0,1,1,4,6,15,30,74,160,379,867,2057,4817,11465,
 27214,65102,155753,374208,900073,2170500,5240723,
 12676162,30697119,74435204,180679171]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)