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A149760 as a simple table

n a(n)
0 1
1 1
2 5
3 19
4 71
5 287
6 1227
7 5225
8 22533
9 98501
10 435789
11 1937773
12 8674229
13 39013929
14 176395377
15 800429171
16 3645660451
17 16650259179
18 76271644403
19 350201421263
20 1611730662275
21 7431609599983
22 34333249277507
23 158871090135623
24 736334386517187
25 3417419972522207
26 15882375410713987
27 73900270630169779

[1,1,5,19,71,287,1227,5225,22533,98501,435789,
 1937773,8674229,39013929,176395377,800429171,
 3645660451,16650259179,76271644403,350201421263,
 1611730662275,7431609599983,34333249277507,
 158871090135623,736334386517187,3417419972522207,
 15882375410713987,73900270630169779]

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Last modified May 24 00:38 EDT 2019. Contains 323528 sequences. (Running on oeis4.)