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A153156 as a simple table

n a(n)
0 1
1 -1
2 2
3 -2
4 3
5 -4
6 5
7 -6
8 8
9 -9
10 11
11 -14
12 17
13 -20
14 24
15 -28
16 33
17 -39
18 46
19 -53
20 62
21 -72
22 83
23 -96
24 110
25 -126
26 145
27 -165
28 188
29 -214
30 243
31 -275
32 312
33 -352
34 396
35 -447
36 502
37 -563
38 632
39 -707
40 791
41 -884
42 986
43 -1098
44 1223
45 -1359
46 1509
47 -1676
48 1857
49 -2056
50 2276
51 -2515

[1,-1,2,-2,3,-4,5,-6,8,-9,11,-14,17,-20,24,-28,33,
 -39,46,-53,62,-72,83,-96,110,-126,145,-165,188,
 -214,243,-275,312,-352,396,-447,502,-563,632,-707,
 791,-884,986,-1098,1223,-1359,1509,-1676,1857,
 -2056,2276,-2515]

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Last modified July 17 05:50 EDT 2024. Contains 374360 sequences. (Running on oeis4.)