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A001677 as a simple table

n a(n)
2 1
3 2
4 3
5 6
6 12
7 26
8 59
9 146
10 368
11 976
12 2667
13 7482
14 21440
15 62622
16 185637
17 557680
18 1694256
19 5198142
20 16086486
21 50165218
22 157510504
23 497607008
24 1580800091
25 5047337994
26 16190223624
27 52153429218
28 168657986843
29 547389492416

[1,2,3,6,12,26,59,146,368,976,2667,7482,21440,
 62622,185637,557680,1694256,5198142,16086486,
 50165218,157510504,497607008,1580800091,
 5047337994,16190223624,52153429218,168657986843,
 547389492416]

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Last modified May 9 00:54 EDT 2024. Contains 372341 sequences. (Running on oeis4.)