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 A078976 Numerator of n-th convergent to e^(2/3). 1
 1, 2, 37, 261, 298, 559, 5888, 318511, 5102064, 5420575, 10522639, 205350716, 18492087079, 462507527691, 480999614770, 943507142461, 26899199603678, 3390242657205889, 115295149544603904, 118685392201809793 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS FORMULA Special cases : a(5k+1)=A001518(3k); a(5k+3)=A001518(3k+2) PROG (PARI) a(n)=component(component(contfracpnqn(contfrac(exp(2/3), n)), 1), 1) (Warning: this will give only a limited number of correct terms, depending on the precision used. - The Editors, Oct 13 2009). (PARI, better code) default(realprecision, 100); /* large enough */ a(n)=contfracpnqn(contfrac(exp(2/3), n))[2, 1] vector(30, n, a(n)) CROSSREFS Cf. A069951, A001518, A007676, A078977. Sequence in context: A298476 A302883 A053788 * A200911 A243101 A001569 Adjacent sequences:  A078973 A078974 A078975 * A078977 A078978 A078979 KEYWORD frac,nonn AUTHOR Benoit Cloitre, Dec 19 2002 STATUS approved

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Last modified May 17 06:30 EDT 2021. Contains 343965 sequences. (Running on oeis4.)