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A160459 as a simple table

n a(n)
1 2
2 13
3 66
4 286
5 1102
6 3879
7 12688
8 39050
9 114114
10 318863
11 856654
12 2222688
13 5589916
14 13668072
15 32576016
16 75845402
17 172830788
18 386088741
19 846744800
20 1825447086
21 3872819904
22 8094022001
23 16679126516
24 33916289400
25 68106769602
26 135148379654
27 265177195950

[2,13,66,286,1102,3879,12688,39050,114114,318863,
 856654,2222688,5589916,13668072,32576016,75845402,
 172830788,386088741,846744800,1825447086,
 3872819904,8094022001,16679126516,33916289400,
 68106769602,135148379654,265177195950]

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Last modified May 6 10:47 EDT 2024. Contains 372293 sequences. (Running on oeis4.)