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A085340 as a simple table

n a(n)
1 -1
2 1
3 4
4 41
5 528
6 8177
7 148160
8 3077713
9 72147712
10 1884629825
11 54294967296
12 1710428956601
13 58496602689536
14 2158563109641265
15 85487558566199296
16 3616912482448035233
17 162819625954342010880
18 7770488166051562690817
19 391896604540625999888384

[-1,1,4,41,528,8177,148160,3077713,72147712,
 1884629825,54294967296,1710428956601,
 58496602689536,2158563109641265,85487558566199296,
 3616912482448035233,162819625954342010880,
 7770488166051562690817,391896604540625999888384]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)