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A165437 The number of six-fold coverings of a set. 1
1, 1, 7, 256, 52450, 46757209, 135029200594, 992649275638900, 15637211080656145509, 468371757818481922636261, 24491541042280069722306974244, 2097907014780540445950132842480077, 280173584370772226399860619059838944713, 56066456120812871209756615894736908159099853 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Analogous to A165434. See comments and references there.

LINKS

Table of n, a(n) for n=0..13.

CROSSREFS

Row n=6 of A188392.

Cf. A165434.

Sequence in context: A228291 A119942 A188421 * A232304 A254127 A203968

Adjacent sequences:  A165434 A165435 A165436 * A165438 A165439 A165440

KEYWORD

nonn

AUTHOR

Doron Zeilberger, Sep 18 2009

EXTENSIONS

a(11)-a(13) from Andrew Howroyd, Dec 10 2018

STATUS

approved

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Last modified August 15 12:09 EDT 2022. Contains 356145 sequences. (Running on oeis4.)