Some real ones from TopCoder in my experience (SRM 401, Div 1): http://apps.topc... | Hacker News

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		pathikrit on July 21, 2015 \| parent \| context \| favorite \| on: The On-Line Encyclopedia of Integer Sequences Some real ones from TopCoder in my experience (SRM 401, Div 1): http://apps.topcoder.com/forums/?module=Thread&threadID=6126... (SRM 363, HandShake problem): http://apps.topcoder.com/forums/?module=Thread&threadID=5843... The idea is you brute force or hand calculate the first few numbers and then use the OEIS's wild card search.

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