A052384 - OEIS

%I #9 Jun 30 2020 07:05:47

%S 3,4,3,4,4,3,3,4,5,4,5,4,5,4,5,3,5,5,4,3,3,3,4,5,5,5,5,3,5,4,4,4,3,5,

%T 5,4,3,4,5,3,3,4,5,4,4,5,5,4,3,4,4,5,3,4,4,5,4,4,4,4,4,4,3,5,4,5,5,3,

%U 3,4,4,3,3,5,3,3,4,5,4,4,5,3,3,5,4,5,4,5,3,4,5,4,3,3,3,5,4,3,5,4,5,3,3,4,5

%N Number of letters in the n-th decimal digit of Pi (in English).

%F a(n) = A005589(A000796(n)). - _R. J. Mathar_, Jun 30 2020

%F a(n) = A107488(n). - _R. J. Mathar_, Jun 30 2020

%p A052384 := proc(n)

%p     A005589(A000796(n)) ;

%p end proc:

%p seq(A052384(n),n=2..30) ; # _R. J. Mathar_, Jun 30 2020

%Y Cf. A005589.

%K base,easy,nonn,word

%O 2,1

%A Olivier Herz (olivier.herz(AT)mines.org), Mar 10 2000

%E More terms from Larry Reeves (larryr(AT)acm.org), Oct 02 2000

%E Offset set to 2. - _R. J. Mathar_, Jun 30 2020