perplexus.info :: Just Math : N as a sum of factorials

N as a sum of factorials (Posted on 2015-04-20)

How many positive integers below 400,000 can be expressed as a sum of distinct factorials?

Rem1: 0! not included.
Rem2: Please refrain from software solutions.

No Solution Yet Submitted by Ady TZIDON

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	Subject	Author	Date
	solution	Charlie	2015-04-20 09:56:06

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