1686629713domain: NAppears in sequencesa(n) = floor(2^n*Pi).at n=30A068425Primes formed by the initial digits of the binary expansion of Pi.at n=2A117721a(n) = round(Pi*2^(n-1)) for n >= 1, a(0) = 1.at n=30A121349Nearest integer to 2^n*Pi/4.at n=31A155996