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A054184 as a simple table

n a(n)
0 0
1 0
2 0
3 1
4 3
5 4
6 10
7 15
8 30
9 51
10 97
11 177
12 334
13 621
14 1182
15 2243
16 4278
17 8203
18 15779
19 30446
20 58882
21 114125
22 221636
23 431155
24 840041
25 1638853
26 3201255
27 6259884
28 12253156
29 24006205
30 47072013
31 92370614
32 181390365
33 356434492
34 700827326

[0,0,0,1,3,4,10,15,30,51,97,177,334,621,1182,2243,
 4278,8203,15779,30446,58882,114125,221636,431155,
 840041,1638853,3201255,6259884,12253156,24006205,
 47072013,92370614,181390365,356434492,700827326]

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Last modified February 25 08:42 EST 2020. Contains 332221 sequences. (Running on oeis4.)