Number of times the digit 4 appears in the first 10^n decimal digits of sqrt(2), sometimes called Pythagoras's constant, counting after the decimal point.
A322645
Number of times the digit 4 appears in the first 10^n decimal digits of sqrt(2), sometimes called Pythagoras's constant, counting after the decimal point.
Terms
- a(0) =2a(1) =9a(2) =100a(3) =1016a(4) =10100a(5) =100024a(6) =1000126a(7) =10000054a(8) =100012725a(9) =1000008724
External references
- oeis: A322645