project-euler / project-euler / 147 / euler-147-analysis.txt

Diff from to

project-euler/147/euler-147-analysis.txt

 * C(b(m+1>n+1,n+1)) = C(b(m, n+1)) + 2*n+1
 
 2 * 1 diagonal rectangles:
+--------------------------
 
 C(1,1) = 0 ; C(2,1) = 0 ; C(2,2) = 2 (but there are two possible directions in
 which the 2 * 1 block can be aligned so it's twice that and 4).
 
 C(3,3) = C(2,3) + 4 ; C(3,4) = C(3,3) + 4 ; C(3,step) = 4
 
+C(4,4) = C(3,4) + 6 ; C(4,5) = C(3,4) + 6 ; C(4,step) = 6
 
+C(5,step) = 8
+
+C(6,step) = 10
+
+C(n,step) = n-1 * 2
+
+
Tip: Filter by directory path e.g. /media app.js to search for public/media/app.js.
Tip: Use camelCasing e.g. ProjME to search for ProjectModifiedEvent.java.
Tip: Filter by extension type e.g. /repo .js to search for all .js files in the /repo directory.
Tip: Separate your search with spaces e.g. /ssh pom.xml to search for src/ssh/pom.xml.
Tip: Use ↑ and ↓ arrow keys to navigate and return to view the file.
Tip: You can also navigate files with Ctrl+j (next) and Ctrl+k (previous) and view the file with Ctrl+o.
Tip: You can also navigate files with Alt+j (next) and Alt+k (previous) and view the file with Alt+o.