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A274975 as a simple table

n a(n)
0 3
1 2
2 6
3 11
4 26
5 57
6 129
7 289
8 650
9 1460
10 3281
11 7372
12 16565
13 37221
14 83635
15 187926
16 422266
17 948823
18 2131986
19 4790529
20 10764221
21 24186985
22 54347662
23 122118088
24 274396853
25 616564132
26 1385407029
27 3112981337
28 6994805571
29 15717185450
30 35316195134
31 79354770147
32 178308549978

[3,2,6,11,26,57,129,289,650,1460,3281,7372,16565,
 37221,83635,187926,422266,948823,2131986,4790529,
 10764221,24186985,54347662,122118088,274396853,
 616564132,1385407029,3112981337,6994805571,
 15717185450,35316195134,79354770147,178308549978]

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Last modified April 19 04:29 EDT 2024. Contains 371782 sequences. (Running on oeis4.)