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A264746 as a simple table

n a(n)
1 1
2 2
3 6
4 15
5 44
6 126
7 374
8 1106
9 3307
10 9877
11 29599
12 88675
13 265932
14 797453
15 2392089
16 7175294
17 21525097
18 64572513
19 193715253
20 581137787
21 1743406694
22 5230197111
23 15690571861
24 47071649170
25 141214890563
26 423644479136
27 1270933270658
28 3812799252359
29 11438397268254
30 34315190174990

[1,2,6,15,44,126,374,1106,3307,9877,29599,88675,
 265932,797453,2392089,7175294,21525097,64572513,
 193715253,581137787,1743406694,5230197111,
 15690571861,47071649170,141214890563,423644479136,
 1270933270658,3812799252359,11438397268254,
 34315190174990]

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Last modified March 28 16:12 EDT 2024. Contains 371254 sequences. (Running on oeis4.)