perplexus.info :: Sequences : What's Seven Got To Do With It?

What's Seven Got To Do With It? (Posted on 2018-05-14)

A simple algorithm generates the following sequence.

7, 115, 1411, 17141, 227721, 2757061, 35526761, ____?____

What number comes next?

See The Solution Submitted by Larry

Rating: 3.0000 (1 votes)

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My lucky number (spoiler)

| Comment 1 of 2

450545561 is next

It is 77777777 (base 10), converted to Octal (Base 8)

Posted by Steve Herman on 2018-05-14 08:07:51

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