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A081293 as a simple table

n a(n)
0 2
1 3
2 6
3 14
4 37
5 107
6 329
7 1055
8 3486
9 11780
10 40510
11 141286
12 498524
13 1776312
14 6382292
15 23097542
16 84118037
17 308049947
18 1133682557
19 4190570237
20 15551547887
21 57919961507
22 216418821767
23 811055485427
24 3047804166425
25 11481792822005

[2,3,6,14,37,107,329,1055,3486,11780,40510,141286,
 498524,1776312,6382292,23097542,84118037,
 308049947,1133682557,4190570237,15551547887,
 57919961507,216418821767,811055485427,
 3047804166425,11481792822005]

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Last modified April 18 18:58 EDT 2024. Contains 371781 sequences. (Running on oeis4.)