Great Theoretical Ideas in Computer Science
DH 2315, TR 3:00-4:20P
Luis von Ahn
Anupam Gupta

Teaching Assistants
Anton Bachin
Drew Besse
Michelle Burroughs
Andrew Krieger
Alan Pierce
Daniel Schafer
Nicholas Tan
David Yang

Office Hours
  • Alan: 8-9pm
  • Andrew: 8-9pm

  • Monday:
  • Dan: 4:30-5:30pm
  • Michelle: 5:30-6:30pm

  • Tuesday:
  • Anton: 5-6pm
  • David: 6-7pm

  • Wednesday:
  • Anupam/Luis: 5-6:30pm

  • Thursday:
  • Anton: 5:30-8pm
  • Drew: 8-9pm

  • Friday:
  • Nick: 3-4pm


    The sequence is:

    h is the first, fifth, sixteenth, ... letter in this sentence, not counting spaces, dashes or commas. (The word "and" is never used.)

    The sequence therefore is 1, 5, 16, 25, 36...

    Now let X be the 15251st prime in this sequence. Go to X.com.

  • There will be no recitations on Monday January 12 or Monday January 19.

  • Students are strongly encouraged to use the class BBoard, academic.cs.15-251. Here are two ways to view it:
    • Webmail. Login, and then click on FOLDERS. Under "UNSUBSCRIBE/SUBSCRIBE" type in "academic.cs.15-251".
    • Pine. Login. Go to Folder List. Go down to Bboards, and hit enter. Hit "a" for addsub. Type in "academic.cs.15-251" without quotes.

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