Number of times the digit 7 appears in the first 10^n decimal digits of sqrt(2), sometimes called Pythagoras's constant, counting after the decimal point.
A322648
Number of times the digit 7 appears in the first 10^n decimal digits of sqrt(2), sometimes called Pythagoras's constant, counting after the decimal point.
Terms
- a(0) =0a(1) =18a(2) =104a(3) =964a(4) =10008a(5) =100008a(6) =999359a(7) =9998646a(8) =99980315a(9) =999986743
External references
- oeis: A322648