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A058069
Numerators of convergents to Champernowne constant (A033307).
2
0, 1, 9, 10, 1490839, 1490849, 2981688, 4472537, 20871836, 25344373, 46216209, 71560582, 260897955, 1115152402, 1376050357, 2491202759, 3867253116, 60499999499
OFFSET
0,3
COMMENTS
a(18) has 177 digits and is too large to include here. - Lucas A. Brown, Sep 02 2022
LINKS
Lucas A. Brown, A058068+9.py.
E. B. Burger, Diophantine Olympics and World Champions: Polynomials and Primes Down Under, Amer. Math. Monthly, 107 (Nov. 2000), 822-829.
MAPLE
Digits := 100: E := A033307; convert(evalf(E), confrac, 50, 'cvgts'): cvgts;
MATHEMATICA
Module[{champ=FromDigits[Flatten[IntegerDigits/@Range[20]]]}, Numerator[ Convergents[ champ/10^IntegerLength[champ]]]] (* Harvey P. Dale, Dec 17 2014 *)
CROSSREFS
Sequence in context: A119205 A119207 A165254 * A266703 A266701 A172283
KEYWORD
nonn,frac
AUTHOR
N. J. A. Sloane, Nov 24 2000
EXTENSIONS
a(17) from Lucas A. Brown, Sep 02 2022
STATUS
approved