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Search: id:A055139
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A055139 Column 0 of triangle A055138. +0
1
1, -1, 0, 1, -1, -1, 4, -1, -19, 31, 120, -483, -933, 8623, 6748, -189589, 41561, 5147391, -6328400, -170622599, 394612599, 6807529823, -23890335372, -322371010985, 1564733285829, 17884889743135, -114158790326872 (list; graph; listen)
OFFSET

0,7
CROSSREFS

Sequence in context: A113355 A077102 A057968 this_sequence A128041 A117380 A078939

Adjacent sequences: A055136 A055137 A055138 this_sequence A055140 A055141 A055142

KEYWORD

sign

AUTHOR

Christian G. Bower (bowerc(AT)usa.net), May 09 2000

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.

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