The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified December 3 02:14 EST 2021. Contains 349445 sequences. (Running on oeis4.)