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A307999 as a simple table

n a(n)
1 1
2 3
3 5
4 15
5 65
6 255
7 961
8 3759
9 15233
10 62655
11 260097
12 1090623
13 4616769
14 19698687
15 84611841
16 365570559
17 1587755777
18 6928284927
19 30358910977
20 133532161023
21 589348292609
22 2609230704639
23 11584885657601
24 51571340750847
25 230129898799105
26 1029215591587839
27 4612514610282497
28 20711143725961215
29 93164104646180865
30 419778524769746943
31 1894404146662522881
32 8561776644482695167

[1,3,5,15,65,255,961,3759,15233,62655,260097,
 1090623,4616769,19698687,84611841,365570559,
 1587755777,6928284927,30358910977,133532161023,
 589348292609,2609230704639,11584885657601,
 51571340750847,230129898799105,1029215591587839,
 4612514610282497,20711143725961215,
 93164104646180865,419778524769746943,
 1894404146662522881,8561776644482695167]

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Last modified May 22 19:06 EDT 2024. Contains 372758 sequences. (Running on oeis4.)