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A048667
Number of rooted 6-dimensional "polycubes" with n cells, with no symmetries removed.
1
1, 12, 198, 3604, 69405, 1386048, 28403620, 593399416, 12584663901, 270123960220, 5855607723702, 127986261470436, 2952216605926965, 62378907950601228, 1388516401122627270
OFFSET
1,2
LINKS
R. C. Schroeppel, A few mathematical experiments, Experimental Mathematics Workshop, Oakland, 2004.
FORMULA
a(n) = n * A151832(n). - Andrew Howroyd, Dec 05 2018
CROSSREFS
Row 6 of A048790.
Sequence in context: A262845 A358363 A321033 * A115865 A291285 A159359
KEYWORD
nonn
AUTHOR
EXTENSIONS
a(9)-a(15) from Andrew Howroyd, Dec 05 2018
STATUS
approved