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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
Table of n, a(n) for n=0..7.
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
Adjacent sequences: A259877 A259878 A259879 * A259881 A259882 A259883
KEYWORD
sign,more
AUTHOR
N. J. A. Sloane, Jul 10 2015
STATUS
approved

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Last modified May 13 21:51 EDT 2024. Contains 372523 sequences. (Running on oeis4.)