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A187549 Arises in a Diophantine problem with one prime, two squares of primes and s powers of two. 0
1, 0, 0, 2, 1, 9, 1, 6, 8, 3, 4, 0 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

2,4

COMMENTS

First of two constants given on p. 2 of Languasco-Settimi.

LINKS

Table of n, a(n) for n=2..13.

Alessandro Languasco, Valentina Settimi, On a Diophantine problem with one prime, two squares of primes and s powers of two - Acta Arithmetica, 154 (2012), 385--412 (preliminary version, arXiv:1103.1985 [math.NT], 2011).

Alessandro Languasco, Alessandro Zaccagnini, On a diophantine problem with two primes and s powers of two, Acta Arithm. 145 (2) (2010) 193-208, eq (1.4).

FORMULA

Equals 2*B*(1+A(1)) with B=3.9171... and A(1) = 0.2792521041... (Languasco-Zaccagnini).

EXAMPLE

10.021916834....

CROSSREFS

Sequence in context: A078088 A206243 A316711 * A261124 A100945 A133399

Adjacent sequences:  A187546 A187547 A187548 * A187550 A187551 A187552

KEYWORD

nonn,cons,less

AUTHOR

Jonathan Vos Post, Mar 11 2011

STATUS

approved

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Last modified February 17 00:25 EST 2020. Contains 331976 sequences. (Running on oeis4.)