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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, -172716308, -386018261228, 8480676071664, -124311732591688, 323984959211694, -279035374964954, -7837135693672568
OFFSET
0,6
CROSSREFS
Sequence in context: A139231 A052462 A260217 * A043009 A355798 A368815
KEYWORD
sign
AUTHOR
Christian G. Bower, Apr 15 1999
EXTENSIONS
More terms from Sean A. Irvine, Jul 04 2021
STATUS
approved