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A120766 as a simple table

n a(n)
1 1
2 1
3 2
4 6
5 12
6 36
7 86
8 270
9 746
10 2554
11 8032
12 29716
13 103482
14 409242
15 1550850
16 6508702
17 26509428
18 117368404
19 508962350
20 2365560998
21 10842378698
22 52685516658
23 253754085960
24 1284660919140
25 6471281910962
26 34031293950258

[1,1,2,6,12,36,86,270,746,2554,8032,29716,103482,
 409242,1550850,6508702,26509428,117368404,
 508962350,2365560998,10842378698,52685516658,
 253754085960,1284660919140,6471281910962,
 34031293950258]

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Last modified July 25 10:21 EDT 2024. Contains 374587 sequences. (Running on oeis4.)