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A058505 as a simple table

n a(n)
-1 1
0 -9
1 -15
2 -33
3 -69
4 -138
5 -254
6 -453
7 -762
8 -1271
9 -2025
10 -3225
11 -4980
12 -7653
13 -11472
14 -17124
15 -25095
16 -36507
17 -52481
18 -74934
19 -105876
20 -148643
21 -206982
22 -286437
23 -393488
24 -537828
25 -730362
26 -987110
27 -1326579
28 -1775037
29 -2363135
30 -3133227
31 -4135902
32 -5438789
33 -7123452
34 -9296976

[1,-9,-15,-33,-69,-138,-254,-453,-762,-1271,-2025,
 -3225,-4980,-7653,-11472,-17124,-25095,-36507,
 -52481,-74934,-105876,-148643,-206982,-286437,
 -393488,-537828,-730362,-987110,-1326579,-1775037,
 -2363135,-3133227,-4135902,-5438789,-7123452,
 -9296976]

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)