login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A369122
a(n) = A369134(n, 2).
2
0, 0, -1, 7, -14, 693, -30030, 4150146, -21441420, 3508377873, -425496301230, 163608770318994, -381271515244620, 263655717130655850, -20916990073196036820, 28579221265797444862620, -20735968190374168899967800, 535753174085515196009964765, -2008476391973175078407803350
OFFSET
0,4
CROSSREFS
Sequence in context: A369562 A080451 A346534 * A061522 A213151 A225763
KEYWORD
sign
AUTHOR
Peter Luschny, Jan 14 2024
STATUS
approved