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A137256 as a simple table

n a(n)
0 1
1 2
2 4
3 9
4 21
5 48
6 108
7 243
8 549
9 1242
10 2808
11 6345
12 14337
13 32400
14 73224
15 165483
16 373977
17 845154
18 1909980
19 4316409
20 9754749
21 22044960
22 49819860
23 112588947
24 254442141
25 575019162
26 1299497904
27 2936762649
28 6636851721
29 14998760928

[1,2,4,9,21,48,108,243,549,1242,2808,6345,14337,
 32400,73224,165483,373977,845154,1909980,4316409,
 9754749,22044960,49819860,112588947,254442141,
 575019162,1299497904,2936762649,6636851721,
 14998760928]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)