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A019075 as a simple table

n a(n)
3 0
4 2
5 3
6 4
7 22
8 26
9 41
10 157
11 285
12 585
13 1535
14 3327
15 7310
16 17637
17 40707
18 95444
19 232524
20 565287
21 1410884
22 3605412
23 9274738
24 24284607
25 64258450
26 170732859
27 456044512
28 1219601912
29 3259351289
30 8704404179

[0,2,3,4,22,26,41,157,285,585,1535,3327,7310,
 17637,40707,95444,232524,565287,1410884,3605412,
 9274738,24284607,64258450,170732859,456044512,
 1219601912,3259351289,8704404179]

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Last modified April 25 10:34 EDT 2024. Contains 371967 sequences. (Running on oeis4.)