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A002123 as a simple table

n a(n)
1 0
2 0
3 3
4 0
5 5
6 -3
7 7
8 -8
9 3
10 -15
11 22
12 -15
13 39
14 -35
15 38
16 -72
17 85
18 -111
19 152
20 -175
21 241
22 -308
23 414
24 -551
25 655
26 -897
27 1164
28 -1463
29 2001
30 -2538
31 3286
32 -4296
33 5503
34 -7259
35 9357
36 -12147
37 15910
38 -20406
39 26640
40 -34703
41 44854
42 -58481
43 75809
44 -98340

[0,0,3,0,5,-3,7,-8,3,-15,22,-15,39,-35,38,-72,85,
 -111,152,-175,241,-308,414,-551,655,-897,1164,
 -1463,2001,-2538,3286,-4296,5503,-7259,9357,
 -12147,15910,-20406,26640,-34703,44854,-58481,
 75809,-98340]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)