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A298577 as a simple table

n a(n)
1 1
2 7
3 15
4 25
5 47
6 113
7 261
8 601
9 1397
10 3223
11 7501
12 17523
13 40935
14 95683
15 223799
16 523857
17 1226779
18 2873985
19 6734933
20 15786173
21 37008905
22 86776771
23 203494869
24 477250155
25 1119367539
26 2625588427
27 6158890175
28 14447602189
29 33892459607
30 79509969725

[1,7,15,25,47,113,261,601,1397,3223,7501,17523,
 40935,95683,223799,523857,1226779,2873985,6734933,
 15786173,37008905,86776771,203494869,477250155,
 1119367539,2625588427,6158890175,14447602189,
 33892459607,79509969725]

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Last modified September 25 18:27 EDT 2022. Contains 356986 sequences. (Running on oeis4.)