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A022087 formatted as a simple table:

n a(n)
0 0
1 4
2 4
3 8
4 12
5 20
6 32
7 52
8 84
9 136
10 220
11 356
12 576
13 932
14 1508
15 2440
16 3948
17 6388
18 10336
19 16724
20 27060
21 43784
22 70844
23 114628
24 185472
25 300100
26 485572
27 785672
28 1271244
29 2056916
30 3328160
31 5385076
32 8713236

[0,4,4,8,12,20,32,52,84,136,220,356,576,932,1508,
 2440,3948,6388,10336,16724,27060,43784,70844,
 114628,185472,300100,485572,785672,1271244,
 2056916,3328160,5385076,8713236]

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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