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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

Table of n, a(n) for n=1..18.

Eric Weisstein's World of Mathematics, Minimal Cover

CROSSREFS

Cf. A035348.

Sequence in context: A187356 A187354 A160757 * A209782 A058908 A271171

Adjacent sequences:  A046166 A046167 A046168 * A046170 A046171 A046172

KEYWORD

nonn

AUTHOR

Eric W. Weisstein

STATUS

approved

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Last modified July 17 02:47 EDT 2019. Contains 325092 sequences. (Running on oeis4.)