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 A048790 Array read by antidiagonals: T(n,k) = number of rooted n-dimensional polycubes with k cells, with no symmetries removed (n >= 1, k >= 1). 10
 1, 1, 2, 1, 4, 3, 1, 6, 18, 4, 1, 8, 45, 76, 5, 1, 10, 84, 344, 315, 6, 1, 12, 135, 936, 2670, 1296, 7, 1, 14, 198, 1980, 10810, 20886, 5320, 8, 1, 16, 273, 3604, 30475, 127632, 164514, 21800, 9, 1, 18, 360, 5936, 69405, 483702, 1531180, 1303304, 89190, 10, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 REFERENCES Dan Hoey, Bill Gosper and Richard C. Schroeppel, Discussions in Math-Fun Mailing list, circa Jul 13 1999. LINKS R. C. Schroeppel, A few mathematical experiments EXAMPLE Array begins: n\k 1..2...3.....4......5.......6........7........8........9.....10......11......12.......13 1 | 1..2...3.....4......5.......6........7........8........9.....10......11......12.......13 2 | 1..4..18....76....315....1296.....5320....21800....89190.364460.1487948.6070332.24750570 3 | 1..6..45...344...2670...20886...164514..1303304.10375830 4 | 1..8..84...936..10810..127632..1531180.18589840 5 | 1.10.135..1980..30475..483702..7847525 6 | 1.12.198..3604..69405.1386048.28403620 7 | 1.14.273..5936.137340.3307878 8 | 1.16.360..9104.246020 9 | 1.18.459.13236.409185 CROSSREFS Rows give A048663-A048668, A094101. Columns give A094159-A094161. Cf. A094100. Sequence in context: A053123 A107661 A126570 * A027421 A131252 A133805 Adjacent sequences:  A048787 A048788 A048789 * A048791 A048792 A048793 KEYWORD nonn,tabl,nice AUTHOR EXTENSIONS More terms from Joshua Zucker, Aug 14 2006 Edited by N. J. A. Sloane, Sep 15 2008 at the suggestion of R. J. Mathar STATUS approved

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Last modified September 22 14:14 EDT 2020. Contains 337291 sequences. (Running on oeis4.)