A048667 Number of rooted 6-dimensional "polycubes" with n cells, with no symmetries removed.
1, 12, 198, 3604, 69405, 1386048, 28403620, 593399416, 12584663901, 270123960220, 5855607723702, 127986261470436, 2817048848634449, 62378907950601228, 1388516401122627270
Offset: 1
Keywords
Links
- R. C. Schroeppel, A few mathematical experiments, Experimental Mathematics Workshop, Oakland, 2004.
Formula
a(n) = n * A151832(n). - Andrew Howroyd, Dec 05 2018
Extensions
a(9)-a(15) from Andrew Howroyd, Dec 05 2018
a(13) corrected by Andrei Zabolotskii, Jun 27 2025