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A148497 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 22
5 85
6 355
7 1492
8 6556
9 29052
10 132014
11 603615
12 2800177
13 13051694
14 61391948
15 289880238
16 1377164008
17 6563043266
18 31411893330
19 150726168692
20 725525043255
21 3499672398571
22 16921628973465
23 81962306917461
24 397740786993856
25 1932949695762718
26 9407939072108970
27 45846319524570560

[1,1,2,6,22,85,355,1492,6556,29052,132014,603615,
 2800177,13051694,61391948,289880238,1377164008,
 6563043266,31411893330,150726168692,725525043255,
 3499672398571,16921628973465,81962306917461,
 397740786993856,1932949695762718,9407939072108970,
 45846319524570560]

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Last modified April 19 03:30 EDT 2024. Contains 371782 sequences. (Running on oeis4.)