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A127630 as a simple table

n a(n)
0 1
1 1
2 -3
3 -3
4 5
5 5
6 -7
7 -7
8 9
9 9
10 -11
11 -11
12 13
13 13
14 -15
15 -15
16 17
17 17
18 -19
19 -19
20 21
21 21
22 -23
23 -23
24 25
25 25
26 -27
27 -27
28 29
29 29
30 -31
31 -31
32 33
33 33
34 -35
35 -35
36 37
37 37
38 -39
39 -39
40 41
41 41
42 -43
43 -43
44 45
45 45
46 -47
47 -47
48 49
49 49
50 -51
51 -51
52 53
53 53
54 -55
55 -55

[1,1,-3,-3,5,5,-7,-7,9,9,-11,-11,13,13,-15,-15,17,
 17,-19,-19,21,21,-23,-23,25,25,-27,-27,29,29,-31,
 -31,33,33,-35,-35,37,37,-39,-39,41,41,-43,-43,45,
 45,-47,-47,49,49,-51,-51,53,53,-55,-55]

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Last modified March 28 16:58 EDT 2024. Contains 371254 sequences. (Running on oeis4.)