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A176840 Variant of A176546 with the sign of the second term switched. 0

%I #4 Jan 20 2014 22:19:36

%S 1,-1,1,-1,1,-1,5,-691,7,-3617,43867,-174611,854513

%N Variant of A176546 with the sign of the second term switched.

%C Essentially the same as A000367. Also the nonzero entries of A027641.

%F a(n)=A176546(n), n>1.

%Y Cf. A027641.

%K sign,frac,easy,less

%O 0,7

%A _Paul Curtz_, Apr 27 2010

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)