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A307789 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 5
5 13
6 35
7 96
8 267
9 750
10 2123
11 6046
12 17303
13 49721
14 143365
15 414584
16 1201917
17 3492117
18 10165779
19 29643870
20 86574831
21 253188111
22 741365049
23 2173243128
24 6377181825
25 18730782252
26 55062586341
27 161995031226
28 476941691177
29 1405155255055

[1,1,1,2,5,13,35,96,267,750,2123,6046,17303,49721,
 143365,414584,1201917,3492117,10165779,29643870,
 86574831,253188111,741365049,2173243128,
 6377181825,18730782252,55062586341,161995031226,
 476941691177,1405155255055]

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Last modified October 5 21:37 EDT 2022. Contains 357261 sequences. (Running on oeis4.)