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A155980 First differences of A135351. 1
2, -2, 3, -1, 5, 3, 13, 19, 45, 83, 173, 339, 685, 1363, 2733 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

Sequence in context: A088177 A028507 A096226 * A016539 A173160 A022461

Adjacent sequences:  A155977 A155978 A155979 * A155981 A155982 A155983

KEYWORD

sign

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Feb 01 2009

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Last modified February 17 03:45 EST 2012. Contains 205978 sequences.