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A002983 as a simple table

n a(n)
0 1
1 1
2 2
3 -3
4 -92
5 -1015
6 -8274
7 -35483
8 496280
9 18127377
10 344895130
11 4427896781
12 15653147412
13 -1300426685831
14 -53961316375498
15 -1345994948213355
16 -20836853905979984
17 60576513730122017
18 19579099820703961266
19 894668319876527296669
20 26059066415716831363820

[1,1,2,-3,-92,-1015,-8274,-35483,496280,18127377,
 344895130,4427896781,15653147412,-1300426685831,
 -53961316375498,-1345994948213355,
 -20836853905979984,60576513730122017,
 19579099820703961266,894668319876527296669,
 26059066415716831363820]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)