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A093889 n!/A093888(n). 1
1, 1, 1, 3, 15, 80, 20, 160, 1440, 75, 825, 9900, 128700, 165888, 2488320, 39813120, 597196800, 10749542400, 125411328000, 2508226560000, 52672757760000, 2769091920000, 4901791334400, 117642992025600, 2941074800640000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..25.

CROSSREFS

Cf. A093888.

Sequence in context: A137957 A002514 A319216 * A020044 A024338 A253774

Adjacent sequences:  A093886 A093887 A093888 * A093890 A093891 A093892

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Apr 23 2004

EXTENSIONS

Corrected and extended by Jason Earls, May 07 2004

STATUS

approved

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Last modified May 8 05:23 EDT 2021. Contains 343653 sequences. (Running on oeis4.)