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A259880 Right-hand diagonal of triangle A259879. 0
1, -1, 2, -18, 168, -1920, 25920, -418320 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
REFERENCES
H. W. Gould, R. K. Guy, and N. J. A. Sloane, Correspondence, 1987.
LINKS
H. W. Gould, R. K. Guy, and N. J. A. Sloane, Correspondence, 1987.
CROSSREFS
Cf. A259879.
Sequence in context: A052865 A052883 A052665 * A364524 A092473 A318218
KEYWORD
sign,more
AUTHOR
N. J. A. Sloane, Jul 10 2015
STATUS
approved

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)