If you want to add more tests: https://oeis.org/A006884 and https://oeis.org/A006885 contain the relevant sequences.
function pmax = peakOfPeaks(nmax)
How would I speed this up?
If I input nmax = 2^60, my program cannot finish.
This solution will fail for nmax = 2; so I had to swap the order of two lines. See Solution 1088355.
i'm totally lost with this!
wrong, corrected in soln 329062
I only feel justified in doing this because the previous best answer was a look-up table. :P
Clever pattern, but still gaming the system. This is not the absolute highest Collatz peak as you go to infinity. Yuval, you should be ashamed of submitting this without apologies.
This really doesn't solve the problem it's just gaming the results.
Ooooooh this is evil.
Find the numeric mean of the prime numbers in a matrix.
What is the next step in Conway's Life?
Matrix with different incremental runs
Getting the indices from a matrice
Make a 1 hot vector
Test for balanced parentheses
Times 2 - START HERE
Find common elements in matrix rows
Sort a list of complex numbers based on far they are from the origin.
Find state names that end with the letter A
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