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A318899 as a simple table

n a(n)
3 1
4 1
5 3
6 7
7 18
8 45
9 116
10 298
11 776
12 2025
13 5322
14 14030
15 37155
16 98685
17 262961
18 702497
19 1881475
20 5050140
21 13583622
22 36605565
23 98821445
24 267220361
25 723704046
26 1962830775
27 5330900916
28 14497096134
29 39472561082
30 107601053713
31 293643574776
32 802203904616
33 2193758306687

[1,1,3,7,18,45,116,298,776,2025,5322,14030,37155,
 98685,262961,702497,1881475,5050140,13583622,
 36605565,98821445,267220361,723704046,1962830775,
 5330900916,14497096134,39472561082,107601053713,
 293643574776,802203904616,2193758306687]

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Last modified June 17 03:50 EDT 2024. Contains 373432 sequences. (Running on oeis4.)