Template:Sequence of the Day for June 23

Intended for: June 23, 2013

Timetable

• First draft entered by Alonso del Arte on June 24, 2012 ✓
• Draft reviewed by Daniel Forgues on June 24, 2012 ✓
• Draft approved by May 23, 2013

Yesterday's SOTD * Tomorrow's SOTD

The line below marks the end of the <noinclude> ... </noinclude> section.

---

A028444: Busy Beaver sequence: maximal number of 1's that an

n

-state,

n   ≥   0

, Turing machine can print on an initially blank tape before halting.

{ 0, 1, 4, 6, 13, ... }

The next term is at least 4098, and the one after that at least 1.29  ×  10 865.

June 23, 2012 was the 100^th birthday of Alan Mathison Turing (23 June 1912 – 7 June 1954).