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A271974 as a simple table

n a(n)
2 -1
3 3
4 -3
5 -5
6 7
7 9
8 -9
9 -11
10 15
11 -15
12 19
13 21
14 -21
15 -23
16 27
17 -29
18 31
19 -33
20 -35
21 37
22 -39
23 -41
24 45
25 49
26 51
27 -51
28 -53
29 55
30 57
31 -63
32 -65
33 69
34 -69
35 75
36 -75
37 79
38 -81
39 -83
40 87
41 -89
42 91
43 -95
44 97
45 99
46 -99
47 -105
48 -111
49 -113
50 115
51 117
52 -119
53 121
54 -125
55 129
56 -131
57 135
58 -135
59 139
60 141
61 -141
62 147
63 -153
64 -155
65 157
66 159
67 -165
68 169
69 -173
70 175
71 177
72 -179
73 -183
74 187
75 -189
76 -191
77 195
78 199
79 201
80 205

[-1,3,-3,-5,7,9,-9,-11,15,-15,19,21,-21,-23,27,
 -29,31,-33,-35,37,-39,-41,45,49,51,-51,-53,55,57,
 -63,-65,69,-69,75,-75,79,-81,-83,87,-89,91,-95,97,
 99,-99,-105,-111,-113,115,117,-119,121,-125,129,
 -131,135,-135,139,141,-141,147,-153,-155,157,159,
 -165,169,-173,175,177,-179,-183,187,-189,-191,195,
 199,201,205]

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Last modified September 13 09:59 EDT 2024. Contains 375904 sequences. (Running on oeis4.)