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A076148 as a simple table

n a(n)
1 1
2 0
3 4
4 7
5 27
6 74
7 230
8 681
9 2053
10 6148
11 18456
12 55355
13 166079
14 498222
15 1494682
16 4484029
17 13452105
18 40356296
19 121068908
20 363206703
21 1089620131
22 3268860370
23 9806581134
24 29419743377
25 88259230157
26 264777690444
27 794333071360

[1,0,4,7,27,74,230,681,2053,6148,18456,55355,
 166079,498222,1494682,4484029,13452105,40356296,
 121068908,363206703,1089620131,3268860370,
 9806581134,29419743377,88259230157,264777690444,
 794333071360]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)