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A269428 as a simple table

n a(n)
0 0
1 -1
2 7
3 -19
4 41
5 -74
6 122
7 -186
8 270
9 -375
10 505
11 -661
12 847
13 -1064
14 1316
15 -1604
16 1932
17 -2301
18 2715
19 -3175
20 3685
21 -4246
22 4862
23 -5534
24 6266
25 -7059
26 7917
27 -8841
28 9835
29 -10900
30 12040
31 -13256
32 14552
33 -15929
34 17391
35 -18939
36 20577
37 -22306
38 24130
39 -26050
40 28070

[0,-1,7,-19,41,-74,122,-186,270,-375,505,-661,847,
 -1064,1316,-1604,1932,-2301,2715,-3175,3685,-4246,
 4862,-5534,6266,-7059,7917,-8841,9835,-10900,
 12040,-13256,14552,-15929,17391,-18939,20577,
 -22306,24130,-26050,28070]

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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)