OFFSET
0,1
REFERENCES
Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, p. 286.
LINKS
A. A. Bukhstab, Asymptotic estimates of a general number-theoretic function (in Russian), Matematicheskii Sbornik, Vol. 44, No. 6 (1937) pp. 1239-1246.
Pieter Moree, A special value of Dickman's function, Math. Student, Vol. 64 (1995), pp. 47-50; entire volume.
Eric Weisstein's World of Mathematics, Buchstab Function.
Wikipedia, Buchstab function.
FORMULA
Equals (1 + 2*log(phi) + log(phi)^2 - Pi^2/60)/(phi+2) (Moree, 1995).
EXAMPLE
0.56093863969277163346004116368055699296113179704964...
MATHEMATICA
RealDigits[(1 + 2*Log[GoldenRatio] + Log[GoldenRatio]^2 - Pi^2/60)/(GoldenRatio + 2), 10, 100][[1]]
PROG
(PARI) my(phi = quadgen(5)); (1 + 2*log(phi) + log(phi)^2 - Pi^2/60)/(phi+2) \\ Amiram Eldar, Jan 09 2025
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Amiram Eldar, May 20 2021
EXTENSIONS
More terms from Amiram Eldar, Jan 09 2025
STATUS
approved