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A193557 as a simple table

n a(n)
-1 1
0 -5
1 14
2 -36
3 85
4 -180
5 360
6 -684
7 1246
8 -2196
9 3754
10 -6264
11 10226
12 -16380
13 25804
14 -40032
15 61275
16 -92628
17 138452
18 -204804
19 300040
20 -435672
21 627356
22 -896400
23 1271525
24 -1791324
25 2507426
26 -3488472
27 4825531
28 -6638688
29 9085888
30 -12373992

[1,-5,14,-36,85,-180,360,-684,1246,-2196,3754,
 -6264,10226,-16380,25804,-40032,61275,-92628,
 138452,-204804,300040,-435672,627356,-896400,
 1271525,-1791324,2507426,-3488472,4825531,
 -6638688,9085888,-12373992]

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Last modified April 23 07:34 EDT 2024. Contains 371905 sequences. (Running on oeis4.)