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A048806 Column 0 of A048805. 0
1, -1, 1, -1, 0, 4, -24, 104, -88, 42, 536, -7536, 32230, -207052, 791194, 3748874, -15956672, 224309712, -757708060, 5189018388 (list; graph; refs; listen; history; internal format)
OFFSET

0,6

CROSSREFS

Sequence in context: A139238 A139231 A052462 * A043009 A006736 A165752

Adjacent sequences:  A048803 A048804 A048805 * A048807 A048808 A048809

KEYWORD

sign

AUTHOR

Christian G. Bower (bowerc(AT)usa.net), Apr 15 1999.

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Last modified February 15 09:35 EST 2012. Contains 205753 sequences.