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A002986 as a simple table

n a(n)
1 1
2 3
3 4
4 12
5 27
6 84
7 247
8 826
9 2777
10 9868
11 35579
12 131847
13 495671
14 1893819
15 7320954
16 28619581
17 112923053
18 449343946
19 1801330288
20 7269849395
21 29517342098
22 120507480668
23 494449558111
24 2038073860257
25 8436185990286
26 35055744550563
27 146195133355612
28 611723431211193

[1,3,4,12,27,84,247,826,2777,9868,35579,131847,
 495671,1893819,7320954,28619581,112923053,
 449343946,1801330288,7269849395,29517342098,
 120507480668,494449558111,2038073860257,
 8436185990286,35055744550563,146195133355612,
 611723431211193]

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Last modified September 14 19:28 EDT 2024. Contains 375929 sequences. (Running on oeis4.)