Discussion @ 1586. Threeprime Numbers @ Timus Online Judge

plague Why if n=4, the answer is 204 [2] // Problem 1586. Threeprime Numbers 28 Mar 2008 16:06

Explain me please, why if n=4, the answer is 204.
I get 2513.

Stefan Re: Why if n=4, the answer is 204 [1] // Problem 1586. Threeprime Numbers 23 May 2008 15:22

1031 is not a THREE-PRIME nummber.
103 is THREE-PRIME nummber,
but
031 isn't, it's TWO-PRIME number

kasarino Re: Why if n=4, the answer is 204 // Problem 1586. Threeprime Numbers 9 Feb 2015 19:41

Thank you for question and answers. It help to understand the task.

Discussion of Problem 1586. Threeprime Numbers