A107488 Number of letters in the words formed by the digital recitation of Pi in the English language.

5, 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

Offset

1,1

Comments

Essentially the same as A052384. [From R. J. Mathar, Aug 24 2008]

Links

Table of n, a(n) for n=1..105.

Example

Three, one, four, one, five, nine has digit count 5, 3, 4, 3, 4, 4 the first 6 entries in the sequence.

Mathematica

RealDigits[Pi, 10, 120][[1]]/.{0->4, 1->3, 2->3, 3->5, 5->4, 6->3, 7->5, 8->5, 9->4} (* Harvey P. Dale, Nov 04 2021 *)

Prog

(PARI) readpi(n) = { local(x, a, d); default(realprecision, 200); d=vector(10); a=vector(n); d[1]=4; d[2]=3; d[3]=3; d[4]=5; d[5]=4; d[6]=4; d[7]=3; d[8]=5; d[9]=5; d[10]=4; a=Vec(Str(Pi)); print1(5", "); for(x=3, n-1, y=floor(eval(a[x])); print1(d[y+1]", ") ) }

Crossrefs

Sequence in context: A168360 A342116 A342117 * A114236 A178481 A348726

Adjacent sequences: A107485 A107486 A107487 * A107489 A107490 A107491

Keyword

base,easy,nonn,word

Author

Cino Hilliard, May 28 2005

Status

approved