a(n) is the denominator of the rational number with the smallest denominator that lies within 1/10^n of Pi.

A360367

a(n) is the denominator of the rational number with the smallest denominator that lies within 1/10^n of Pi.

Terms

    a(0) =1a(1) =7a(2) =7a(3) =64a(4) =106a(5) =113a(6) =113a(7) =24175a(8) =32085a(9) =33102a(10) =99532a(11) =265381a(12) =1360120a(13) =1725033a(14) =18610450a(15) =25510582a(16) =78256779a(17) =340262731a(18) =811528438a(19) =1963319607a(20) =6701487259a(21) =6701487259a(22) =413528890451a(23) =554260122890

External references