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A228068 as a simple table

n a(n)
1 -1
2 -3
3 -5
4 -7
5 -21
6 -92
7 -209
8 -415
9 -947
10 -1403
11 -8484
12 -26675
13 -70708
14 -205919
15 -737729
16 -2162013
17 -4741957
18 -13992966
19 -77928220
20 -122866869
21 -374649610
22 -1334960954
23 -5317831008
24 -9896721062
25 -38014073661

[-1,-3,-5,-7,-21,-92,-209,-415,-947,-1403,-8484,
 -26675,-70708,-205919,-737729,-2162013,-4741957,
 -13992966,-77928220,-122866869,-374649610,
 -1334960954,-5317831008,-9896721062,-38014073661]

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Last modified September 29 06:29 EDT 2020. Contains 337425 sequences. (Running on oeis4.)