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
Examples
Three, one, four, one, five, nine has digit count 5, 3, 4, 3, 4, 4 the first 6 entries in the sequence.
Programs
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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 *) -
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]",") ) }
Comments