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A007716 as a simple table

n a(n)
0 1
1 1
2 4
3 10
4 33
5 91
6 298
7 910
8 3017
9 9945
10 34207
11 119369
12 429250
13 1574224
14 5916148
15 22699830
16 89003059
17 356058540
18 1453080087
19 6044132794
20 25612598436
21 110503627621
22 485161348047
23 2166488899642
24 9835209912767
25 45370059225318

[1,1,4,10,33,91,298,910,3017,9945,34207,119369,
 429250,1574224,5916148,22699830,89003059,
 356058540,1453080087,6044132794,25612598436,
 110503627621,485161348047,2166488899642,
 9835209912767,45370059225318]

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Last modified May 23 03:10 EDT 2019. Contains 323507 sequences. (Running on oeis4.)