A052384 - OEIS

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A052384

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

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, 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, 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

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OFFSET

2,1

LINKS

Table of n, a(n) for n=2..106.

FORMULA

a(n) = A005589(A000796(n)). - R. J. Mathar, Jun 30 2020

a(n) = A107488(n). - R. J. Mathar, Jun 30 2020

MAPLE

A052384 := proc(n)

A005589(A000796(n)) ;

end proc: