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%I #12 Mar 13 2022 22:52:44
%S 1,0,-1,16,759375,191749544167774320464809980317709376
%N a(1) = 1, for n >= 2: a(n) = (a(n-1) - 1)^n.
%C a(7) has 247 digits and is too long to be displayed here.
%e For n = 4: a(4) = (-1 - 1)^4 = 16.
%t RecurrenceTable[{a[1]==1,a[n]==(a[n-1]-1)^n},a,{n,7}] (* _Harvey P. Dale_, Feb 17 2016 *)
%K sign
%O 1,4
%A _Jaroslav Krizek_, Nov 03 2010
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