Project Euler Forum

I have a not too shabby solution for PE484 that agrees with my brute force for values ≤10^8 below, but I am told my answer is wrong!

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Can anyone confirm these values, to ensure I've interpreted the question correctly?

EDIT: I realised I made a stupid boundary error :facepalm:

Please delete your guesses. As the Forum Rules in pink at the top of the page state, don't post any results. Yeah, that happens from time to time, but that's a lot of guesses at large values. Way too spoilery, even for wrong answers.