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%I #14 Oct 01 2022 00:12:46
%S 2,1,9,9,1,1,4,8,5,7,5,1,2,8,5,5,2,6,6,9,2,3,8,5,0,3,6,8,2,9,5,6,5,2,
%T 0,1,8,9,3,8,0,1,8,5,7,9,5,6,2,5,7,4,0,7,4,6,8,2,4,6,1,2,1,4,6,1,5,4,
%U 7,1,4,8,4,4,0,0,3,4,6,2,9,9,0,3,9,6,2,4,3,7,7,7,3,9,4,8,1,9,4,7,5,8,7,5
%N Decimal expansion of 7*Pi.
%C 7*Pi is also the surface area of a sphere whose diameter equals the square root of 7. More generally x*Pi is also the surface area of a sphere whose diameter equals the square root of x. - _Omar E. Pol_, Dec 22 2013
%H <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%e 21.99114857512855266923850368295652018938...
%t RealDigits[7*Pi,10,120][[1]] (* _Harvey P. Dale_, Jan 14 2015 *)
%o (PARI) 7*Pi \\ _Charles R Greathouse IV_, Oct 01 2022
%Y Cf. A000796, A019692, A122952, A019694, A019669, A228719 (Pi through 6*Pi).
%K nonn,cons
%O 2,1
%A _Omar E. Pol_, Oct 03 2013
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