|
| |
|
|
A049429
|
|
Triangle T(n,d) = number of distinct d-dimensional polyominoes (or polycubes) with n cells (n >= 2,d>=1).
|
|
11
|
|
|
|
1, 1, 1, 1, 4, 2, 1, 11, 11, 3, 1, 34, 77, 35, 6, 1, 107, 499, 412, 104, 11, 1, 368, 3442, 4888, 2009, 319, 23, 1, 1284, 24128, 57122, 36585, 8869, 951, 47
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
2,5
|
|
|
REFERENCES
|
Dan Hoey, Bill Gosper and Richard C. Schroeppel, Discussions in Math-Fun Mailing list, circa Jul 13 1999.
|
|
|
LINKS
|
Table of n, a(n) for n=2..37.
R. C. Schroeppel, A few mathematical experiments
|
|
|
EXAMPLE
|
1; 1,1; 1,4,2; 1,11,11,3; ...
|
|
|
CROSSREFS
|
Cf. A049430. Row sums give A005519. Rows give A006765-A006768.
Sequence in context: A342088 A193607 A075397 * A328647 A183158 A174005
Adjacent sequences: A049426 A049427 A049428 * A049430 A049431 A049432
|
|
|
KEYWORD
|
nonn,nice,tabl,hard
|
|
|
AUTHOR
|
Richard C. Schroeppel
|
|
|
STATUS
|
approved
|
| |
|
|
