3,1
a(5)=-18+6-9-12=-33
Sequence in context: A147823 A110668 A083562 this_sequence A127014 A073748 A131445
Adjacent sequences: A106539 A106540 A106541 this_sequence A106543 A106544 A106545
easy,sign
Alexandre Wajnberg (alexandre.wajnberg(AT)ulb.ac.be), May 08 2005
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