This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A078980 #12 Aug 05 2024 12:45:47 %S A078980 1,6,7,20,47,114,161,436,3213,16501,19714,36215,55929,148073,352075, %T A078980 6837498,7189573,21216644,28406217,220060163,248466380,468526543, %U A078980 4465205267,4933731810,19266400697,24200132507,43466533204,111133198915 %N A078980 Numerators of continued fraction convergents to sinh(1). %t A078980 Numerator[Convergents[Sinh[1],30]] (* _Harvey P. Dale_, May 09 2013 *) %o A078980 (PARI) a(n)=component(component(contfracpnqn(contfrac(sinh(1),n+1)),1),1) %Y A078980 Cf. A068139 (continued fraction), A073742 (decimal expansion), A078981 (denominators). %K A078980 frac,nonn %O A078980 0,2 %A A078980 _Benoit Cloitre_, Dec 20 2002 %E A078980 Offset changed by _Andrew Howroyd_, Aug 05 2024