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A005674 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 1
5 3
6 10
7 25
8 63
9 144
10 327
11 711
12 1534
13 3237
14 6787
15 14056
16 28971
17 59283
18 120894
19 245457
20 497167
21 1004256
22 2025199
23 4077007
24 8198334
25 16467597
26 33052491
27 66293208

[0,0,0,0,1,3,10,25,63,144,327,711,1534,3237,6787,
 14056,28971,59283,120894,245457,497167,1004256,
 2025199,4077007,8198334,16467597,33052491,
 66293208]

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Last modified April 20 00:00 EDT 2024. Contains 371798 sequences. (Running on oeis4.)