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A024504 as a simple table

n a(n)
0 0
1 0
2 0
3 1
4 2
5 3
6 7
7 13
8 25
9 47
10 90
11 172
12 330
13 634
14 1224
15 2366
16 4585
17 8902
18 17309
19 33707
20 65730
21 128330
22 250828
23 490750
24 961053
25 1883664
26 3694880
27 7252914
28 14246796
29 28002324
30 55071237
31 108365983
32 213345529
33 420226042
34 828092495
35 1632525204

[0,0,0,1,2,3,7,13,25,47,90,172,330,634,1224,2366,
 4585,8902,17309,33707,65730,128330,250828,490750,
 961053,1883664,3694880,7252914,14246796,28002324,
 55071237,108365983,213345529,420226042,828092495,
 1632525204]

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Last modified August 12 09:24 EDT 2020. Contains 336438 sequences. (Running on oeis4.)