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A026679 as a simple table

n a(n)
0 1
1 3
2 8
3 18
4 41
5 87
6 190
7 396
8 851
9 1761
10 3754
11 7740
12 16419
13 33777
14 71410
15 146676
16 309319
17 634605
18 1335680
19 2737830
20 5753393
21 11784519
22 24732602
23 50628768
24 106142095
25 217168749
26 454874296
27 930285390
28 1947021505

[1,3,8,18,41,87,190,396,851,1761,3754,7740,16419,
 33777,71410,146676,309319,634605,1335680,2737830,
 5753393,11784519,24732602,50628768,106142095,
 217168749,454874296,930285390,1947021505]

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Last modified April 23 08:33 EDT 2024. Contains 371905 sequences. (Running on oeis4.)