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A137501 formatted as a simple table:

n a(n)
0 0
1 0
2 2
3 -2
4 4
5 -4
6 6
7 -6
8 8
9 -8
10 10
11 -10
12 12
13 -12
14 14
15 -14
16 16
17 -16
18 18
19 -18
20 20
21 -20
22 22
23 -22
24 24
25 -24
26 26
27 -26
28 28
29 -28
30 30
31 -30
32 32
33 -32
34 34
35 -34
36 36
37 -36
38 38
39 -38
40 40
41 -40
42 42
43 -42
44 44
45 -44
46 46
47 -46
48 48
49 -48
50 50
51 -50
52 52
53 -52
54 54
55 -54
56 56
57 -56
58 58
59 -58
60 60
61 -60
62 62
63 -62
64 64
65 -64
66 66
67 -66
68 68
69 -68
70 70
71 -70
72 72
73 -72
74 74

[0,0,2,-2,4,-4,6,-6,8,-8,10,-10,12,-12,14,-14,16,
 -16,18,-18,20,-20,22,-22,24,-24,26,-26,28,-28,30,
 -30,32,-32,34,-34,36,-36,38,-38,40,-40,42,-42,44,
 -44,46,-46,48,-48,50,-50,52,-52,54,-54,56,-56,58,
 -58,60,-60,62,-62,64,-64,66,-66,68,-68,70,-70,72,
 -72,74]

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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