|
Search: id:A132370
|
|
|
| A132370 |
|
Triangle read by rows: T(m,n) = number of spotlight tilings of a width 1 m X n frame. |
|
+0
1
|
|
| 16, 34, 34, 58, 68, 58, 88, 112, 112, 88, 124, 166, 180, 166, 124, 166, 230, 262, 262, 230, 166, 214, 304, 358, 376, 358, 304, 214
(list; table; graph; listen)
|
|
|
OFFSET
|
3,1
|
|
|
REFERENCES
|
B. E. Tenner, Spotlight tiling, preprint, 2007.
|
|
FORMULA
|
T(m,n) = 2(m-2)(n-2)(m+n-2) + (m-2)(m+1) + (n-2)(n+1)
|
|
EXAMPLE
|
A 3 X 3 frame with width 1 has 16 spotlight tilings.
|
|
CROSSREFS
|
Sequence in context: A041508 A041510 A070590 this_sequence A091216 A132760 A070589
Adjacent sequences: A132367 A132368 A132369 this_sequence A132371 A132372 A132373
|
|
KEYWORD
|
nonn,tabl
|
|
AUTHOR
|
Bridget Eileen Tenner (bridget(AT)math.depaul.edu), Nov 09 2007
|
|
|
Search completed in 0.002 seconds
|
