Let a(0) = a(1) = 1, and thenceforth a(n) = (a(0)2 + a(1)2 + ... + a(n-1)2) / (n-1). This sequence continues 1 1 2 3 5 10 28 154... (sequence A002504 in OEIS). Amazingly, 43 is the first term of this sequence that is not an integer.
- It takes 17 muscles to smile, and 43 to frown.
- Strangely, 17 in = 43 cm, which is the measure of Bigfoot's foot.
- Detroit and 43 have a sad history: in 1943 the first of many race riots broke out and the National Guard had to be called. In 1967, 43 people were killed in another race riot.
- There are 43 parables in the Bible.
- Richard Petty's Team 43 (Now driven by Jeff Green).
- Elizabeth Barrett Browning's "Sonnet #43" begins: How do I love thee? Let me count the ways.
- Interstate 43 is a freeway in Wisconsin.
- In 1960, J.F. Kennedy became the youngest U.S. president ever at age 43.
- The 43rd President of the U.S. is George W. Bush.
- 43 is the code for direct dial international phone calls to Austria.
- Tony Hancock stars in the British comedy show Hancock's Forty-Three Minutes.
- Hershel Finman historial short story titled Forty-Three Rubles is about Rabbi Zvi Elimelech Spira.
- The 43 element is the radioactive Technetium (Tc) whose properties were predicted early by Dmitri Mendeleev.
- "For 43 dollars my friend lost his life, now this dude's going to get out in a year or two 'cause the system don't work for me and you but a country boy can survive..." -A Country Boy Can Survive, Hank Williams, Jr.
- "Representin the oh oh oh oh oh g’s from 43 goddamnit and if you keep on with that dirty mistreatin', I’m gonna whoop your ass, til your heart stop beating..." - Green Island, Redman
Things that happened 1943
- LSD was invented in 1938, but first tried by Albert Hoffman on April 16, 1943.
- Born in 1943: Janis Joplin, Jim Croce, Christopher Walken, Bobby Fischer, Joe Namath, Robert DeNiro, Newt Gingrich, Barry Manilow, Mick Jagger & Keith Richards, Joni Mitchell, Jon Denver, Jim Morrison.
- The first atomic bomb was tested in 1943 at Los Alamos, which was established in 1943, and is a 43' by 43' compound.
- World War II happenings: The Battle of the Bismarck, Italy surrenders, The Tehran Convention, the end of the Warsaw Uprising.
- Colossus, the first programmable digital computer, was invented.
- Ghandi does his famous hunger strike to protest his imprisonment.
- No Nobel Peace Prize was awarded this year.
- The Great Depression ends.