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 A096146 Prime numerators of the rational convergents to sqrt(3). 0
 2, 5, 7, 19, 71, 97, 3691, 191861, 138907099, 708158977, 26947261171 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Next term is too large to include. This is the prime subsequence of A002531. See also A086386 for numerators where both numerator and denominator are primes. - Ray Chandler, Aug 01 2004 LINKS PROG (PARI) \Continued fraction rational approximation of numeric constants f. m=steps. cfracnumprime(m, f) = { default(realprecision, 3000); cf = vector(m+10); x=f; for(n=0, m, i=floor(x); x=1/(x-i); cf[n+1] = i; ); for(m1=0, m, r=cf[m1+1]; forstep(n=m1, 1, -1, r = 1/r; r+=cf[n]; ); numer=numerator(r); denom=denominator(r); if(ispseudoprime(numer), print1(numer, ", ")); ) } CROSSREFS Cf. A002531, A082630, A086386. Sequence in context: A106872 A071198 A041387 * A041583 A143915 A309542 Adjacent sequences:  A096143 A096144 A096145 * A096147 A096148 A096149 KEYWORD nonn AUTHOR Cino Hilliard, Jul 24 2004 STATUS approved

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Last modified January 29 10:34 EST 2020. Contains 331337 sequences. (Running on oeis4.)