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A046169 Number of minimal covers on n objects with 9 members. 2
0, 0, 0, 0, 0, 0, 0, 0, 1, 5065, 14109865, 28586753635, 47057782540912, 66738127617591430, 84508389361603849070, 97838285747685771503930, 105306724888534860425617883, 106678207181565103216667658695 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,10
LINKS
Eric Weisstein's World of Mathematics, Minimal Cover.
FORMULA
G.f.: x^9 / Product_{k=2^9-10..2^9-1} (1-k*x). - Sean A. Irvine, Apr 07 2021
CROSSREFS
Cf. A035348.
Sequence in context: A187356 A187354 A160757 * A209782 A058908 A271171
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified June 14 04:49 EDT 2024. Contains 373393 sequences. (Running on oeis4.)