# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a153715 Showing 1-1 of 1 %I A153715 #11 Apr 18 2019 11:42:05 %S A153715 1,7,32,53,189,2665,10810,26577,128778,483367 %N A153715 Greatest number m such that the fractional part of Pi^A153711(m) >= 1-(1/m). %F A153715 a(n) = floor(1/(1-fract(Pi^A153711(n)))), where fract(x) = x-floor(x). %e A153715 a(3) = 32, since 1-(1/33) = 0.9696... > fract(Pi^A153711(3)) = fract(Pi^15) = 0.96938... >= 0.96875 = 1-(1/32). %t A153715 $MaxExtraPrecision = 100000; %t A153715 A153711 = {1, 2, 15, 22, 58, 157, 1030, 5269, 145048, 151710}; %t A153715 Floor[1/(1-FractionalPart[Pi^A153711])] (* _Robert Price_, Apr 18 2019 *) %Y A153715 Cf. A153663, A153671, A153679, A153687, A153695, A091560, A153711, A154130, A153723. %Y A153715 Cf. A001672. %K A153715 nonn,more %O A153715 1,2 %A A153715 _Hieronymus Fischer_, Jan 06 2009 %E A153715 a(9)-a(10) from _Robert Price_, Apr 18 2019 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE