A108026 Number of letters in the words formed by the digital recitation of sqrt(2) in the English language.

3, 4, 3, 4, 3, 3, 5, 4, 3, 3, 5, 5, 5, 4, 4, 4, 4, 4, 5, 5, 4, 3, 3, 5, 5, 5, 3, 4, 3, 4, 4, 3, 4, 5, 4, 5, 5, 4, 3, 4, 3, 5, 3, 5, 5, 4, 5, 5, 3, 4, 4, 5, 4, 5, 5, 3, 5, 3, 3, 5, 4, 5, 5, 5, 4, 4, 4, 5, 5, 3, 4, 5, 5, 4, 3, 3, 3, 4, 5, 4, 5, 5, 5, 4, 4, 5, 5, 5, 4, 5, 4, 5, 3, 5, 3, 4, 3, 4

Offset

1,1

Links

Table of n, a(n) for n=1..98.

Mathematica

RealDigits[Sqrt[2], 10, 98][[1]] /. {0->4, 1->3, 2->3, 3->5, 5->4, 6->3, 7->5, 8->5, 9->4} (* James C. McMahon, Feb 19 2024 *)

Prog

(PARI) readsqr2(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(sqrt(2))); print1(3", "); for(x=3, n-1, y=floor(eval(a[x])); print1(d[y+1]", ") ) }

Crossrefs

Cf. A107488, A107489.

Sequence in context: A120447 A083021 A102745 * A010702 A345439 A095925

Adjacent sequences: A108023 A108024 A108025 * A108027 A108028 A108029

Keyword

base,easy,nonn,word

Author

Cino Hilliard, May 31 2005

Status

approved