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A199931 as a simple table

n a(n)
0 -1
1 2
2 4
3 -15
4 -2
5 79
6 -88
7 -294
8 815
9 488
10 -4769
11 3438
12 20080
13 -42527
14 -49666
15 278943
16 -93220
17 -1308634
18 2103343
19 4067664
20 -15799793
21 -1126550
22 82089836
23 -96324543
24 -299451394
25 864290495
26 454552096
27 -4979131422
28 3870112831
29 20615805880
30 -45400053553
31 -48829731594
32 292575692408

[-1,2,4,-15,-2,79,-88,-294,815,488,-4769,3438,
 20080,-42527,-49666,278943,-93220,-1308634,
 2103343,4067664,-15799793,-1126550,82089836,
 -96324543,-299451394,864290495,454552096,
 -4979131422,3870112831,20615805880,-45400053553,
 -48829731594,292575692408]

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Last modified September 19 17:13 EDT 2024. Contains 376014 sequences. (Running on oeis4.)