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A117909 as a simple table

n a(n)
0 1
1 2
2 0
3 3
4 4
5 0
6 5
7 6
8 0
9 7
10 8
11 0
12 9
13 10
14 0
15 11
16 12
17 0
18 13
19 14
20 0
21 15
22 16
23 0
24 17
25 18
26 0
27 19
28 20
29 0
30 21
31 22
32 0
33 23
34 24
35 0
36 25
37 26
38 0
39 27
40 28
41 0
42 29
43 30
44 0
45 31
46 32
47 0
48 33
49 34
50 0
51 35
52 36
53 0
54 37
55 38
56 0
57 39
58 40
59 0
60 41
61 42
62 0
63 43
64 44
65 0
66 45
67 46
68 0
69 47
70 48
71 0
72 49
73 50
74 0
75 51
76 52
77 0
78 53
79 54
80 0

[1,2,0,3,4,0,5,6,0,7,8,0,9,10,0,11,12,0,13,14,0,
 15,16,0,17,18,0,19,20,0,21,22,0,23,24,0,25,26,0,
 27,28,0,29,30,0,31,32,0,33,34,0,35,36,0,37,38,0,
 39,40,0,41,42,0,43,44,0,45,46,0,47,48,0,49,50,0,
 51,52,0,53,54,0]

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Last modified January 19 04:09 EST 2020. Contains 331031 sequences. (Running on oeis4.)